Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
"APA" is more commonly referred to as "Antiphospholipid Syndrome" in the medical community. Antiphospholipid Syndrome
Also Known As: "Hughes Syndrome, Lupus-Like Syndrome, Anticardiolypin Antibody Syndrome, Anti Phospholipid Syndrome, APLS"
A condition in which certain antibodies normally associated with lupus are found in the blood with or without the patient having lupus. It can cause blood clots and a low platelet count. In women, it can cause miscarriages. More Information on Antiphospholipid Syndrome: Anemia & Blood Disorders
A formerly common imaging test that is rarely used today due to the availability of superior tests. It shows the pumping action of the heart made by the "apex beat" (the movement of the left ventricle against the chest). More Information on Apexcardiography: Heart Imaging & Rhythm Tests
A score given to an infant immediately after birth based on heart rate, respiratory effort, color, muscle tone and reflex. More Information on Apgar: Pregnancy Basics
A score given to an infant immediately after birth based on heart rate, respiratory effort, color, muscle tone and reflex. More Information on Apgar Exam: Pregnancy Basics
A score given to an infant immediately after birth based on heart rate, respiratory effort, color, muscle tone and reflex. More Information on Apgar Test: Pregnancy Basics
A condition in which a person loses the ability to say or comprehend words. The patient may have trouble reading, writing, speaking and understanding the speech of others. The condition is usually the result of brain damage. More Information on Aphasia: Neuro Signs & Symptoms
"APHIS" is more commonly referred to as "Animal & Plant Health Inspection Service" in the medical community. Animal & Plant Health Inspection Service
An agency of the U.S. Department of Agriculture (USDA) that conducts inspections of animals and plants to prevent emergence of pests and disease, or to control them once they are discovered.
"Aphthous Stomatitis" is more commonly referred to as "Canker Sores" in the medical community. Canker Sores
Also Known As: "Recurrent Mouth Ulcers, Aphthous Ulcers"
Painful, round ulcers on the linings of the cheeks and lips, the tongue, or the base of the gums. This condition is often inherited. The cause is unknown but may involve an immune abnormality. More Information on Canker Sores: Mouth & Tongue Disorders
"Aphthous Ulcers" is more commonly referred to as "Canker Sores" in the medical community. Canker Sores
Also Known As: "Recurrent Mouth Ulcers, Aphthous Stomatitis"
Painful, round ulcers on the linings of the cheeks and lips, the tongue, or the base of the gums. This condition is often inherited. The cause is unknown but may involve an immune abnormality. More Information on Canker Sores: Mouth & Tongue Disorders
The surgical removal of the tip of a tooth root. Occasionally necessary after a root canal treatment if the apex becomes or remains infected. More Information on Apicoectomy: Dental Restorations
"APL" is more commonly referred to as "Acute Promyelocytic Leukemia" in the medical community. Acute Promyelocytic Leukemia
Also Known As: "Promyelocytic Leukemia"
A type of bone marrow cancer in which there is a deficiency of mature blood cells in the myeloid line of cells and an excess of immature cells called promyelocytes. It is a type of acute myeloid leukemia. More Information on Acute Promyelocytic Leukemia: Leukemia & Bone Cancer
"APLS" is more commonly referred to as "Antiphospholipid Syndrome" in the medical community. Antiphospholipid Syndrome
Also Known As: "Hughes Syndrome, Lupus-Like Syndrome, Anticardiolypin Antibody Syndrome, Anti Phospholipid Syndrome, APA"
A condition in which certain antibodies normally associated with lupus are found in the blood with or without the patient having lupus. It can cause blood clots and a low platelet count. In women, it can cause miscarriages. More Information on Antiphospholipid Syndrome: Anemia & Blood Disorders
"Apnea" is more commonly referred to as "Sleep Apnea" in the medical community. Sleep Apnea
Also Known As: "Sleep Disordered Breathing, Obstructive Sleep Apnea-Hypopnea, SDB"
A disorder in which a person's breathing stops and starts many times during sleep. The interruptions last from 10 seconds to two minutes. It is linked to some degree with coronary artery disease, hypertension, heart failure and stroke. More Information on Sleep Apnea: Sleep
Short periods where premature infants stop breathing due to immature nervous system development. More Information on Apnea of Prematurity: Newborn Care
Also Known As: "Apo E, Apo B100, Apo A, Apo A1, Apo B, Apo A2"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo A1, Apo B, Apo A2, Apo, Apo E, Apo B100"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo B, Apo A2, Apo, Apo E, Apo B100, Apo A"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo, Apo E, Apo B100, Apo A, Apo A1, Apo B"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo A2, Apo, Apo E, Apo B100, Apo A, Apo A1"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo A, Apo A1, Apo B, Apo A2, Apo, Apo E"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
"Apo C II Deficiency" is more commonly referred to as "Familiar Lipoprotein Lipase Deficiency" in the medical community. Familiar Lipoprotein Lipase Deficiency
A genetic condition in which people lack one of the enzymes necessary to properly break down chylomicrons. As a result, the person may be diagnosed with a high chylomicron level (hyperchylomicronemia). More Information on Familiar Lipoprotein Lipase Deficiency: Cholesterol
Also Known As: "Apo B100, Apo A, Apo A1, Apo B, Apo A2, Apo"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
Also Known As: "Apo B, Apo A2, Apo, Apo E, Apo B100, Apo A, Apo A1"
Nonfat parts of lipoproteins (proteins that carry cholesterol and triglycerides in the blood). They are grouped by their functions into B100, A1, A2, B and E (some also have subgroups), which may also refer to the genes that control those functions.
"Apolizumab" is more commonly referred to as "Monoclonal Antibodies" in the medical community. Monoclonal Antibodies
Also Known As: "Cetuximab, Dacliximab, Trastuzumab, Bevacizumab, Rituximab, Alemtuzumab"
Any of a type of antibody made in the laboratory and designed to target specific substances called antigens. They are used to treat several conditions, including some types of cancer. More Information on Monoclonal Antibodies: Cancer Drug & Medication
A type of cell death in which a series of molecular changes with the cells lead to its death. Anything preventing these changes is called antiapoptotic. More Information on Apoptosis: Cancer Basics
The distinction between what things actually are and what they seem to be. The formation of this distinction is an important aspect in child development. More Information on Appearance Reality Distinction: Growth & Development
Also Known As: "Laparoscopic Appendectomy, Appendectomy Surgery"
Surgical removal of an inflamed or infected appendix. It is one of the most common causes of emergency abdominal surgery in the United States. More Information on Appendectomy: Abdominal Pain
Surgical removal of an inflamed or infected appendix. It is one of the most common causes of emergency abdominal surgery in the United States. More Information on Appendectomy Surgery: Abdominal Pain
Also Known As: "Acute Appendicitis, Chronic Appendicitis"
Inflammation of the appendix, a small finger-shaped tube that branches off the first part of the large intestine. It causes pain in the lower-right abdomen and is among the most common causes of emergency abdominal surgery. More Information on Appendicitis: Abdominal Pain
A small finger-shaped tube that branches off the first part of the large intestine. Its function is not known. More Information on Appendix: Digestive Health Basics
"Appetite Loss" is more commonly referred to as "Anorexia" in the medical community. Anorexia
Also Known As: "Loss of Appetite, Poor Appetite"
Any abnormal loss of appetite. It may result in significant weight loss. Causes include cancer, AIDS, mental disorder or other diseases. It can also be a side effect of cancer treatments. It is not the same as anorexia nervosa (an eating disorder).
"Appetite Suppressant Drugs" is more commonly referred to as "Diet Pills" in the medical community. Diet Pills
Substances to aid in weight loss that may be available over-the-counter or by prescription. They are not usually recommended for weight management in people with diabetes as they often do not work or have potentially dangerous side effects. More Information on Diet Pills: Weight & Obesity Basics
"Apple Shaped" is more commonly referred to as "Central Obesity" in the medical community. Central Obesity
An excess of body fat carried around the waste -- rather than also around the limbs. It is a risk factor for a number of conditions, including type 2 diabetes and heart disease. More Information on Central Obesity: Weight & Obesity Basics
Also Known As: "Orthodontic Appliance, Fixed Appliance, Prosthesis, Dental Prosthesis, Removable Appliance, Dental Appliance, Orthodontic Prosthesis"
A device worn in the mouth to replace or repair the teeth or jaw. It may be fixed or removable. Types include inlays, onlays, crowns, bridges and dentures. More Information on Appliance: Dental Braces & Alignment
The inability to complete voluntary movements even though there is no impairment to the senses or muscle function. There are many forms, including akinetic, amnesic, buccofacial, constructional, developmental, dressing, limb, motor and sensory. More Information on Apraxia: Neuro Signs & Symptoms
The inability to perform normal walking movements even though there no evidence of paralysis or motor or sensory problems. More Information on Apraxic Gait: Arm & Leg Pain
"APTT" is more commonly referred to as "Prothrombin Time" in the medical community. Prothrombin Time
Also Known As: "Partial Thromboplastin Time, PCT, Partial Prothrombin Time, Pro-Time, PPT, PT Time"
One of several blood tests that measure the time it takes for blood to clot. Results are adjusted with the international normalization ratio (INR), which physicians use to monitor patients on anticoagulant therapy.
"AQS" is more commonly referred to as "Attachment Q Set" in the medical community. Attachment Q Set
A tool for assessing attachment and security between a parent and child. Descriptors of attachment-related reactions, such as greeting and smiling, are into categories according to the degree that the reactions are apparent in the child. More Information on Attachment Q Set: Emotional Health Basics
Allergic response to the dried pet fish food that is often made up of the proteins of brine shrimp and other seafood species. The dried food becomes easily aerosolized and can be inhaled. More Information on Aquarium Allergy: Food Allergy & Intolerance
Also Known As: "Intracranial Cysts, Intracranial Arachnoid Cysts"
Fluid-filled sacs that may develop on the arachnoid membrane that covers the brain and spinal cord or between the brain surface and the cranial base. They usually begin in infancy and are more common in males. More Information on Arachnoid Brain Cysts: Pediatric Brain & Nerve
Also Known As: "Intracranial Cysts, Arachnoid Brain Cysts, Intracranial Arachnoid Cysts"
Fluid-filled sacs that may develop on the arachnoid membrane that covers the brain and spinal cord or between the brain surface and the cranial base. They usually begin in infancy and are more common in males. More Information on Arachnoid Cysts: Pediatric Brain & Nerve
Inflammation of the arachnoid, one of the membranes that surround and protect the nerves of the spinal cord. In some cases, it can cause spinal nerves to stick together, causing a stinging pain in the lower back or legs. More Information on Arachnoiditis: Back, Neck & Shoulder Pain
"ARBD" is more commonly referred to as "Alcohol Related Birth Defects" in the medical community. Alcohol Related Birth Defects
Birth defects due to fetal alcohol exposure. Problems may include abnormalities of the heart, kidneys, bones, hearing loss and/or vision impairment. More Information on Alcohol Related Birth Defects: Pediatric Brain & Nerve
Also Known As: "Mosquito Transmitted Encephalitis, Arboviral Encephalitides, Mosquito Borne Encephalitis"
Inflammation of the brain caused by viruses carried by arthropods, such as mosquitoes and ticks (arboviruses). More Information on Arborviral Encephalitis: Brain Related Infections
Also Known As: "Mosquito Transmitted Encephalitis, Mosquito Borne Encephalitis"
Inflammation of the brain caused by viruses carried by arthropods, such as mosquitoes and ticks (arboviruses). More Information on Arboviral Encephalitides: Brain Related Infections
Any virus that is primarily transmitted by arthropods, which include mosquitos, ticks, spiders, insects, centipedes, millipedes, scorpions, bees and others. The most common disease carriers are mosquitos and ticks. More Information on Arbovirus: Infectious Disease Basics
"ARBs" is more commonly referred to as "Angiotensin II Receptor Blockers" in the medical community. Angiotensin II Receptor Blockers
Also Known As: "A II Blockers, Angiotensin II Antagonists"
Medications that widen blood vessels by preventing a substance called angiotensin II from entering angiotensin II receptors. Angiotensin II is one of several substances in the body that cause blood vessels to tighten and regulates blood pressure. More Information on Angiotensin II Receptor Blockers: Blood Pressure
Medications that widen blood vessels and lower blood pressure. Research is ongoing as to their potential impact on the development or progression of kidney disease in people with diabetes. More Information on ARBs & Diabetes: Diabetes & Endocrine Drugs
"Arch Aorta" is more commonly referred to as "Coarctation of the Aorta" in the medical community. Coarctation of the Aorta
Also Known As: "Aortic Arch Defect, Aortic Coarctation"
A condition in which the aorta (the main artery carrying oxygen-rich blood from the heart to the rest of the body) is pinched, constricted or narrowed at some point along its length. More Information on Coarctation of the Aorta: Pediatric Heart
"Archangel Root" is more commonly referred to as "Angelica Root" in the medical community. Angelica Root
Also Known As: "Dong Quai, Angelicae Pubescentis, Holy Ghost Root, Bai Zhi, Angelicae Dahuricae, Dang Gui, Archangelica Root"
A root from any of a group of Angelica plants or herbs. It may be used in aromatherapy and perfumes. However, some cultures use it as an herbal remedy for loss of appetite, gas or other gastrointestinal problems. More Information on Angelica Root: Herbs & Supplements
"Archangelica Root" is more commonly referred to as "Angelica Root" in the medical community. Angelica Root
Also Known As: "Dong Quai, Angelicae Pubescentis, Holy Ghost Root, Bai Zhi, Angelicae Dahuricae, Archangel Root, Dang Gui"
A root from any of a group of Angelica plants or herbs. It may be used in aromatherapy and perfumes. However, some cultures use it as an herbal remedy for loss of appetite, gas or other gastrointestinal problems. More Information on Angelica Root: Herbs & Supplements
A Center for Disease Control and Prevention (CDC) effort based in Alaska to prevent infectious diseases in peoples of the Arctic and Subarctic. Special emphasis is on diseases of concern among Alaska Natives and American Indians.
"ARDS" is more commonly referred to as "Postpump Syndrome" in the medical community. Postpump Syndrome
Also Known As: "Systemic Inflammatory Response Syndrome, Adult Respiratory Distress Syndrome, Acute Lung Injury, Pump Syndrome"
A potentially fatal condition that occurs in only 1 to 2 percent of people who have had bypass surgery. Researchers continue to investigate its causes and treatments. More Information on Postpump Syndrome: Bypass Surgery
Infection in humans linked to the Arenaviridae, a family of viruses whose members are associated with rodent-transmitted disease. They are relatively common in parts of the world and can cause severe illnesses. More Information on Arenaviral Hemorrhagic Fever: Infectious Disease Basics
Infection in humans linked to the Arenaviridae, a family of viruses whose members are associated with rodent-transmitted disease. They are relatively common in parts of the world and can cause severe illnesses. More Information on Arenavirus Infection: Infectious Disease Basics
"Areolar Glands" is more commonly referred to as "Montgomery Glands" in the medical community. Montgomery Glands
Glands located around the areola of the nipple that enlarge during pregnancy and breastfeeding and supply oils to lubricate the nipple. More Information on Montgomery Glands: Breast Health
"Arhinencephaly" is more commonly referred to as "Holoprosencephaly" in the medical community. Holoprosencephaly
Also Known As: "Lobar Holoprosencephaly, Alobar Holoprosencephaly, Semilobar Holoprosencephaly"
A condition in which the forebrain of the embryo fails to develop, which usually occurs in the fifth or sixth weeks of pregnancy. Types include alobar (most severe), semilobar (intermediate) and lobar (least severe). More Information on Holoprosencephaly: Pediatric Brain & Nerve
A vitamin B2 (riboflavin) deficiency which results in mouth lesions, seborrhea (oily skin) and vascularization of the cornea. Mainly seen with malnutrition and/or alcoholism. More Information on Ariboflavinosis: Vitamins
"Aripiprazole" is more commonly referred to as "Clozapine" in the medical community. Clozapine
Also Known As: "Ziprasidone, Olanzapine, Risperidone, Quetiapine, Sertindole"
A type of medication belonging to the drug class called atypical antipsychotics. It may be used in the treatment of schizophrenia and acute manic and mixed episodes associated with bipolar disorder More Information on Clozapine: Psychiatric Medications
"ARIs" is more commonly referred to as "Aldose Reductase Inhibitors" in the medical community. Aldose Reductase Inhibitors
Medications that slow or block the actions of the aldose reductase enzyme that changes blood sugar (glucose) into sugar alcohol (sorbitol). Sorbitol trapped in body cells can lead to eye (retinopathy) or nerve problems (neuropathy). More Information on Aldose Reductase Inhibitors: Diabetes & Endocrine Drugs
"Arm Cuff" is more commonly referred to as "Sphygmomanometer" in the medical community. Sphygmomanometer
Also Known As: "Aneroid Sphygmomanometer, Blood Pressure Cuff, Mercury Sphygmomanometer"
The arm cuff device used to measure blood pressure. Some types have a mercury display, while others provide electronic readouts. More Information on Sphygmomanometer: Blood Pressure
"ARMS" is more commonly referred to as "Adverse Reaction Monitoring System" in the medical community. Adverse Reaction Monitoring System
Unit of the FDA charged with monitoring the use of individual food additives to determine whether they represent a threat to the general public. They also field relevant complaints from consumers. More Information on Adverse Reaction Monitoring System: Food Allergy & Intolerance
"ARND" is more commonly referred to as "Alcohol Related Neurodevelopmental Disorder" in the medical community. Alcohol Related Neurodevelopmental Disorder
Central nervous system abnormalities that occur as a result of fetal alcohol exposure. Children affected commonly display cognitive and behavioral problems, but no growth deficiency or facial abnormalities. More Information on Alcohol Related Neurodevelopmental Disorder: Pediatric Brain & Nerve
"Arnold Chiari Malformation" is more commonly referred to as "Chiari Malformation" in the medical community. Chiari Malformation
A condition in which the cerebellum portion of the brain protrudes into the spinal canal. It causes skull enlargement (hydrocephalus) and often is accompanied by disorders such as spina bifida cystica and meningomyelocele. More Information on Chiari Malformation: Pediatric Brain & Nerve
Medications that interfere with the aromatase enzyme and therefore prevents the production of estradiol, a female hormone. They may be used in women with hormone-dependent breast cancer. More Information on Aromatase Inhibitors: Cancer Drug & Medication
"Arrhenoblastoma" is more commonly referred to as "Androblastoma" in the medical community. Androblastoma
Also Known As: "Sertoli Leydig Cell Tumor, Gonadal Stromal Tumor, Sertoli Leydig Ovarian Tumor, Sex Cord Tumor, Sertoli Leydig Cell Tumor of the Ovary, Stromal Tumor"
A rare type of ovarian cancer in which the tumor secretes the male hormone testosterone. This leads to the appearance of male characteristics in females. More Information on Androblastoma: ObGyn Cancer
Also Known As: "Irregular Rhythm, Irregular Heartbeat, Cardiac Arrhythmia, Rhythm Disorder, Rhythm Disturbance, Irregular Heart Rhythm, Dysrhythmia"
An abnormal heartbeat resulting from any change, deviation or malfunction in the heart's electrical system. An arrhythmia may be abnormally fast (tachycardia) or abnormally slow (bradycardia), and some can be fatal (e.g., ventricular fibrillation). More Information on Arrhythmia: Arrhythmia
"Arrhythmia Medications" is more commonly referred to as "Antiarrhythmics" in the medical community. Antiarrhythmics
Medications used to treat all types of abnormal heart rhythms (arrhythmias) except an abnormally slow heartbeat. Some act directly on the heart to slow it down, and others act to restore a normal beating pattern. More Information on Antiarrhythmics: Arrhythmia
Nonsurgical procedures, surgeries and medications that are designed to treat arrhythmias -- abnormal heart rhythms caused by abnormal electrical impulses traveling through the heart. More Information on Arrhythmia Treatments: Arrhythmia
Also Known As: "Right Ventricular Cardiomyopathy, Right Ventricular Dysplasia, Arrhythmogenic Right Ventricular Dysplasia"
A rare heart disease that is a leading cause of sudden cardiac death in athletes. ARVD runs in families and is present from birth, but it may not be detected until a serious cardiac event occurs. About 80 percent of cases are diagnosed after age 40. More Information on Arrhythmogenic Right Ventricular Cardiomyopathy: Heart Failure
Also Known As: "Right Ventricular Cardiomyopathy, Right Ventricular Dysplasia, Arrhythmogenic Right Ventricular Cardiomyopathy"
A rare heart disease that is a leading cause of sudden cardiac death in athletes. ARVD runs in families and is present from birth, but it may not be detected until a serious cardiac event occurs. About 80 percent of cases are diagnosed after age 40. More Information on Arrhythmogenic Right Ventricular Dysplasia: Heart Failure
Fertility treatments in which the eggs as well as the sperm are handled. These generally involve surgically removing eggs, combining them with sperm in a laboratory and returning them to the woman's body or a surrogate mother. More Information on ART: Fertility Issues
Also Known As: "Blood Gas Analysis, ABG, Blood Gases"
A diagnostic test that measures the levels of certain gases in the blood traveling through the arteries. It is used to evaluate lung function, metabolism and the body's acid-base balance. More Information on Arterial Blood Gases: Blood Tests
"Arterial Bypass Grafting" is more commonly referred to as "Bypass Surgery" in the medical community. Bypass Surgery
Also Known As: "Bypass Grafting, Bypass, Vein Graft, Bypass Graft"
A surgery in which a healthy blood vessel segment is used to detour around a blocked artery. It is most commonly performed to bypass a blocked coronary artery that supplies blood to the heart but may be done in other body locations. More Information on Bypass Surgery: Bypass Surgery
"Arterial Calcification" is more commonly referred to as "Calcification" in the medical community. Calcification
Also Known As: "Calcium Deposits, Microcalcifications, Coronary Calcification"
A process that makes plaque harder and more brittle. It occurs when calcium deposits in the blood attach to cholesterol deposits on the walls of arteries, forming a crust over plaque formations. It may also occur around one of the heart's valves. More Information on Calcification: Vascular Disease
"Arterial Catheterization" is more commonly referred to as "Cardiac Catheterization" in the medical community. Cardiac Catheterization
Also Known As: "Outpatient Cardiac Catheterization, Heart Catheterization, Ambulatory Cardiac Catheterization, Catheterization, Cardiac Cath"
The process by which a catheter is inserted by a physician into a blood vessel and all the way to the heart, in order to obtain information about the heart and the coronary arteries. This term may also describe catheter-based procedures. More Information on Cardiac Catheterization: Catheter Tests & Procedures
"Arterial Insufficiency" is more commonly referred to as "Insufficiency" in the medical community. Insufficiency
Also Known As: "Renal Insufficiency, Cardiac Insufficiency"
A condition that occurs when the mechanisms in the body responsible for circulating blood are not working well enough to meet the body's demand for oxygen. This can refer to valves or blood vessels within the heart or other body areas. More Information on Insufficiency: Heart Failure
"Arterial Puncture" is more commonly referred to as "Blood Tests" in the medical community. Blood Tests
Also Known As: "Venipuncture, Finger Prick"
A test that determines the amount of any given substance in the blood and identifies abnormally high or low levels that may affect normal body functions. Blood is usually collected by venipuncture, in which a needle penetrates a vein. More Information on Blood Tests: Blood Tests
An open-heart surgery to correct a heart defect called transposition of the great arteries. This defect occurs when the two main heart arteries are connected to the wrong parts of the heart. The ASO corrects the connections. More Information on Arterial Switch Operation: Pediatric Heart
An open-heart surgery to correct a heart defect called transposition of the great arteries. This defect occurs when the two main heart arteries are connected to the wrong parts of the heart. The ASO corrects the connections. More Information on Arterial Switch Procedure: Pediatric Heart
A rare type of thoracic outlet syndrome (TOS) that occurs when the arteries running between the neck and shoulder become compressed or stretched. It is often related to a congenital (present from birth) defect of the arteries. More Information on Arterial Thoracic Outlet Syndrome: Chest & Related Pain
"Arterial Thrombosis" is more commonly referred to as "Thrombosis" in the medical community. Thrombosis
Also Known As: "Coronary Thrombosis, Retinal Vein Thrombosis, Venous Thrombosis"
The formation of a blood clot in an artery (coronary or arterial thrombosis) or vein (venous thrombosis) that may or may not be accompanied by inflammation (phlebitis). Untreated in arteries thrombosis can lead to the death of the surrounding tissue. More Information on Thrombosis: Blood Clot
A rare type of thoracic outlet syndrome (TOS) that occurs when the arteries running between the neck and shoulder become compressed or stretched. It is often related to a congenital (present from birth) defect of the arteries. More Information on Arterial TOS: Chest & Related Pain
"Arteriectomy" is more commonly referred to as "Angiectomy" in the medical community. Angiectomy
Surgical removal of all or part of a blood vessel. The two types of angiectomy are arteriectomy (the surgical removal of all or part of an artery) and phlebectomy (the surgical removal of all or part of a vein). More Information on Angiectomy: Vascular Disease
"Arteriogram" is more commonly referred to as "Angiogram" in the medical community. Angiogram
Also Known As: "Angiography, Arteriography"
A catheter-based diagnostic test that uses a contrast medium and an x-ray to visualize the size, shape and location of the heart and/or blood vessels (e.g., aorta, coronary arteries, or cerebral arteries). More Information on Angiogram: Catheter Tests & Procedures
"Arteriography" is more commonly referred to as "Angiogram" in the medical community. Angiogram
Also Known As: "Angiography, Arteriogram"
A catheter-based diagnostic test that uses a contrast medium and an x-ray to visualize the size, shape and location of the heart and/or blood vessels (e.g., aorta, coronary arteries, or cerebral arteries). More Information on Angiogram: Catheter Tests & Procedures
A condition in which blood flows directly from an artery to a vein. For example, a needle into an artery may puncture a vein and create an arteriovenous fistula. Surgery is usually very effective at correcting them. More Information on Arteriovenous Fistula: Pediatric Heart
A birth defect in which some of the arteries and veins (e.g., in the brain) are connected to each other. When in the gastrointestinal (GI) tract, malformations can cause GI bleeding and increase the risk of bowel, kidney and liver problems. More Information on Arteriovenous Malformations: Pediatric Heart
"Arteriovenous Shunt" is more commonly referred to as "Shunt" in the medical community. Shunt
Also Known As: "Left-to-Right Shunt, Right-to-Left Shunt, Cardiovascular Shunt"
A passage that redirects the flow of liquid (e.g., blood) from one route to another. These may occur naturally in the body, but the term usually refers to either an artificial shunt that has been surgically created or a birth defect of the heart. More Information on Shunt: Pediatric Heart
"Arteriovenous Shunt Catheter" is more commonly referred to as "Catheter" in the medical community. Catheter
Also Known As: "Peripheral Intravenous Catheter, Hickman Catheter, Coronary Perfusion Catheter, Swan-Ganz Catheter, Implantable Venous Catheter, Guiding Catheter"
A long, thin, hollow tube that is inserted by a physician into a large blood vessel and fed to a target area (e.g., the heart). This allows the physician to perform sophisticated, minimally invasive tests and procedures. More Information on Catheter: Catheter Tests & Procedures
Except for the pulmonary artery, which carries oxygen-poor blood to the lungs, all arteries carry oxygen-rich blood away from the heart and toward other tissues throughout the body. More Information on Artery: Heart Basics
"Artery Spasm" is more commonly referred to as "Coronary Artery Spasm" in the medical community. Coronary Artery Spasm
An involuntary or abnormal constriction of the muscle fibers of the coronary artery. This spasm can lead to Prinzmetal's (variant) angina, a type of angina where chest pain can occur at rest rather than only during exercise. More Information on Coronary Artery Spasm: Heart Signs & Symptoms
Well water from a confined aquifer. When tapped, the pressure pushes the water level above the aquifer and sometimes to the surface. May also be brought up with pumps. More Information on Artesian Water: Water & Hydration
"Arthralgia" is more commonly referred to as "Joint Pain" in the medical community. Joint Pain
Any pain in the joints (the location where two bones connect). While it may or may not involve joint inflammation (arthritis), the term is most often used to describe non-inflammatory joint pain. More Information on Joint Pain: Pain Basics
"Arthritic Rheumatoid Disease" is more commonly referred to as "Polymyalgia Rheumatica" in the medical community. Polymyalgia Rheumatica
Also Known As: "PMR, Anarthritic Syndrome"
A rheumatic disease that involves tendons, muscles, ligaments and tissues around the joints, often in people over 50. Pain, aching and morning stiffness in the neck, shoulders, lower back and hips characterize the disease. More Information on Polymyalgia Rheumatica: Fibromyalgia & Pain Disorders
A broad term that means "inflammation of the joints" but is used to describe any pain that occurs in the joints. Two of the most common forms are osteoarthritis and rheumatoid arthritis. More Information on Arthritis Basics: Arthritis
A non-profit association that provides resources for arthritis patients. It also supports research and researchers dedicated to finding ways to prevent and treat arthritis, as well as a cure for the disease.
A destructive and painful form of psoriatic arthritis that can destroy the small joints in the fingers and toes closest to the nail. It also is frequently associated with lower back and neck pain. More Information on Arthritis Mutilans: Arthritis
A diagnostic or therapeutic procedure which involves removing synovial fluid in the joint by inserting a thin, hollow needle into the joint and removing the fluid with a syringe. The fluid can then undergo laboratory analysis. More Information on Arthrocentesis: Pain Lab Tests
An x-ray of a joint after the injection of a dye-like contrast material that outlines soft tissue and joint structures. It is most often performed to diagnose abnormalities associated with the shoulder, wrist, hip, knee and ankle. More Information on Arthrogram: Pain Imaging Tests
An x-ray of a joint after the injection of a dye-like contrast material that outlines soft tissue and joint structures. It is most often performed to diagnose abnormalities associated with the shoulder, wrist, hip, knee and ankle. More Information on Arthrography: Pain Imaging Tests
Also Known As: "Facial Anomalies Syndrome, Characteristic Facies Syndrome, Distal Arthrogryposis Syndrome"
A potentially fatal syndrome that includes multiple birth defects, mental retardation and a specific set of facial characteristics. Patients with this genetic syndrome often experience bradycardia (slow heart rates). More Information on Arthrogryposis: Pediatric Heart
Any virus that is primarily transmitted by arthropods, which include mosquitos, ticks, spiders, insects, centipedes, millipedes, scorpions, bees and others. The most common disease carriers are mosquitos and ticks. More Information on Arthropod Borne Virus: Infectious Disease Basics
"Arthrosis" is more commonly referred to as "Osteoarthritis" in the medical community. Osteoarthritis
Also Known As: "Degenerative Arthritis, OA, Osteoarthrosis, Degenerative Joint Disease, Hypertrophic Arthritis, DJD"
The most common type of arthritis, caused by the breakdown of joint cartilage over time. Cartilage cushions the joint. When it deteriorates, bones rub against each other, causing pain, stiffness and loss of movement. It is more common after age 45. More Information on Osteoarthritis: Arthritis
An inflatable cuff that is surgically implanted around the anal canal to help retain bowel control after sphincter dysfunction or injury. More Information on Artificial Anal Sphincter: Anal & Rectal Disorders
An artificial cap made to look like a natural tooth that is placed over a damaged or decayed tooth. More Information on Artificial Crown: Dental Restorations
"Artificial Disc Replacement" is more commonly referred to as "Disc Replacement" in the medical community. Disc Replacement
Also Known As: "Disc Replacement Surgery"
A technique to replace degenerated spinal discs that cause pain and have not been successfully treated with physical therapy or medications. Artificial disc replacement surgery is experimental, and only available in the U.S. in clinical trials. More Information on Disc Replacement: Back, Neck & Shoulder Pain
"Artificial Feeding" is more commonly referred to as "Nutritional Support" in the medical community. Nutritional Support
Method of providing nutrition to people who are not able to swallow due to a medical problem. An intravenous (IV) catheter may be used to deliver nutrition to the vein under the patient's skin. More Information on Nutritional Support: Digestive Treatments
"Artificial Heart" is more commonly referred to as "Mechanical Heart" in the medical community. Mechanical Heart
Also Known As: "Mechanical Circulatory Support"
There are two types of surgically implanted electrical devices that are considered mechanical hearts. One is the ventricular assist device, which has been approved by the FDA. The other is the total artificial heart, which is still being developed. More Information on Mechanical Heart: Heart Failure
"Artificial Heart Transplantation" is more commonly referred to as "Heart Transplant Surgery" in the medical community. Heart Transplant Surgery
Also Known As: "Cardiac Transplantation"
A procedure by which a permanently diseased heart is removed and replaced with either an organic or artificial heart. The majority of heart transplants are performed in patients suffering from cardiomyopathy or coronary artery disease. More Information on Heart Transplant Surgery: Heart Failure
"Artificial Heart Valve" is more commonly referred to as "Mechanical Heart Valve" in the medical community. Mechanical Heart Valve
Also Known As: "Prosthetic Valve, Mechanical Valve"
A valve used in valve replacement surgeries that is made from synthetic or 'man-made' materials. Another type of replacement valve is organic or biological, which is taken from the bodies of humans or animals. More Information on Mechanical Heart Valve: Heart Valve
Also Known As: "Intracervical Insemination, Artificial Insemination by Husband, AID, ICI, AIH, AI, Intratubal Insemination, Artificial Insemination by Donor"
The placement of sperm into a woman's reproductive tract (other than through intercourse) for the purpose of starting a pregnancy. Placement of sperm varies (e.g., vagina, cervix, uterus, fallopian tubes). More Information on Artificial Insemination: Fertility Issues
Also Known As: "Intracervical Insemination, AID, ICI, AIH, AI, Intratubal Insemination, Artificial Insemination by Husband"
The placement of sperm into a woman's reproductive tract (other than through intercourse) for the purpose of starting a pregnancy. Placement of sperm varies (e.g., vagina, cervix, uterus, fallopian tubes). More Information on Artificial Insemination by Donor: Fertility Issues
Also Known As: "Intracervical Insemination, AID, ICI, AIH, AI, Intratubal Insemination, Artificial Insemination by Donor"
The placement of sperm into a woman's reproductive tract (other than through intercourse) for the purpose of starting a pregnancy. Placement of sperm varies (e.g., vagina, cervix, uterus, fallopian tubes). More Information on Artificial Insemination by Husband: Fertility Issues
"Artificial Pacemaker" is more commonly referred to as "Pacemaker" in the medical community. Pacemaker
Also Known As: "Cardiac Pacing, Permanent Pacemaker, Electronic Pacemaker, Temporary Pacemaker, Internal Pacemaker, External Pacemaker, Epicardial Implantation"
Implanted in the chest, an artificial pacemaker is a battery-powered device that monitors and, if necessary, corrects an abnormal heart rhythm by sending electrical charges to the heart. More Information on Pacemaker: Arrhythmia
A machine used in a hospital setting that takes over the function of the pancreas in regulating glucose (blood sugar) levels. It measures blood glucose and then releases insulin in response. Researchers are working on an implantable version. More Information on Artificial Pancreas: Liver, Pancreas & Biliary
"Artificial Respiration" is more commonly referred to as "CPR" in the medical community. CPR
Also Known As: "Mouth-to-Mouth Resuscitation, Cardiac Compression, Heart-Lung Resuscitation, Cardiopulmonary Resuscitation"
An emergency technique that helps someone whose heart and/or breathing has stopped. CPR cannot restart the heart but can make sure that blood and oxygen continue to circulate through the body, keeping the patient alive until help can arrive. More Information on CPR: First Aid & Safety
"Artificial Sweeteners" is more commonly referred to as "Sugar Substitutes" in the medical community. Sugar Substitutes
Sweeteners used in place of sugar. Some of these have calories and affect blood glucose levels, while others do not. In most cases, they mimic the effect of sugar in taste, but with less food energy. More Information on Sugar Substitutes: Carbs & Sugars
Artificial sweeteners can be nutritive or non-nutritive. Non-nutritive sweeteners can satisfy a taste for sweets without affecting blood sugar levels or contributing to tooth decay. They can also help manage energy (calorie) intake. More Information on Artificial Sweeteners & Children: Pediatric Diet & Fitness
Also Known As: "Right Ventricular Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy, Right Ventricular Dysplasia, Arrhythmogenic Right Ventricular Dysplasia"
A rare heart disease that is a leading cause of sudden cardiac death in athletes. ARVD runs in families and is present from birth, but it may not be detected until a serious cardiac event occurs. About 80 percent of cases are diagnosed after age 40. More Information on ARVD: Heart Failure
A type of urinary tract infection caused by bacteria that does not produce any of the usual symptoms. It affects nearly one fifth of people with diabetes (primarily women) and can lead to kidney problems if untreated. More Information on ASB: Urinary & Bladder
A mineral fiber that can pollute air or water and cause cancer or asbestosis when inhaled. EPA has banned or severely restricted its use in manufacturing and construction. More Information on Asbestos: Cancer Risk Factors
Any of various nematode worms of the family Ascaridae. They include the common intestinal parasite Ascaris lumbricoides, commonly known as a roundworm. More Information on Ascarids: Parasitic Disease
One of four sections of the aorta, the main artery that carries oxygen-rich blood from the heart. This section leaves the heart and then branches into the left and right coronary arteries that carry oxygen-rich blood back to feed the heart muscle. More Information on Ascending Aorta: Heart Basics
"Ascending Aortic Dissection" is more commonly referred to as "Aortic Dissection" in the medical community. Aortic Dissection
Also Known As: "Type A Aortic Dissection, Dissecting Aortic Aneurism, Descending Aortic Dissection, Acute Aortic Dissection, Type B Aortic Dissection, Torn Aorta"
A tear in the inner lining of the aorta that allows blood to leak into the space between the inner and outer layers. This could be fatal. The aorta may also widen or balloon, creating a dissecting aortic aneurysm. More Information on Aortic Dissection: Aneurysm
The part of the colon just past the cecum that goes up on the right side of the abdomen before turning abruptly to the left and connecting with the transverse colon. More Information on Ascending Colon: Digestive Health Basics
"Ascending Contrast Venography" is more commonly referred to as "Venogram" in the medical community. Venogram
Also Known As: "Lower Limb Venography, Phlebography"
A test in which a special dye (contrast medium) is injected into the vein of the affected area prior to an x-ray so that the resulting film will reveal the shape, size and composition of the vein. It is generally performed to diagnose vein blockage. More Information on Venogram: Vascular Disease
Fluid buildup in the abdomen, usually caused by severe liver disease. It is often a sign of liver failure. More Information on Ascites: Liver, Pancreas & Biliary
"Ascorbic Acid" is more commonly referred to as "Vitamin C" in the medical community. Vitamin C
An essential water-soluble vitamin that has a wide range of functions in the human body. It is found in citrus fruits (e.g., orange, lime, grapefruit) and vegetables (e.g., tomato, green pepper, potato). More Information on Vitamin C: Vitamins
"ASD" is more commonly referred to as "Atrial Septal Defect" in the medical community. Atrial Septal Defect
Also Known As: "Secundum Atrial Septal Defect, Septal Defect, Primum Atrial Septal Defect"
A heart defect involving a hole in the wall (septum) between the two atria. This causes blood to leak from the left to the right atrium, putting strain on the right side of the heart. May be tolerated well, or may lead to serious consequences. More Information on Atrial Septal Defect: Pediatric Heart
"Aseptic Meningitis" is more commonly referred to as "Meningitis" in the medical community. Meningitis
Also Known As: "Bacterial Meningitis, Meningococcal Disease, Viral Aseptic Meningitis, Viral Meningitis"
An inflammation of the meninges (the membranes that protect the brain and spinal cord) due to infection by bacteria, viruses or fungi. More Information on Meningitis: Brain Related Infections
"Aseptic Necrosis" is more commonly referred to as "Necrosis" in the medical community. Necrosis
Also Known As: "Avascular Necrosis"
The death of a small area of bone or tissue, usually due to the loss of blood supply. This can be caused by trauma, such as an accident or burn, or by obstruction of a blood vessel.
An abnormal growth of muscle fibers on the heart muscle, often causing a thickened septum. It can lead to sudden cardiac death and is a major cause of death in young athletes. More Information on Hypertrophic Cardiomyopathy: Heart Failure
"Asherman Syndrome" is more commonly referred to as "Uterine Synechiae" in the medical community. Uterine Synechiae
A rare condition where the formation of scar tissue fills the uterus and may prevent a fertilized egg from implanting. It may occur after a dilation and curettage procedure. More Information on Uterine Synechiae: Uterine & Ovarian Health
Any of a number of mosquitos native to Asian. Several are now established in the United States and can transmit arboviruses to humans. More Information on Asian Mosquito: Infectious Disease Basics
"Asian Tiger Mosquito" is more commonly referred to as "Aedes Albopictus" in the medical community. Aedes Albopictus
A mosquito native to Japan that is now found in the Southwestern United States and Midwest. It is marked by black and white striped legs and sometimes carries serious diseases. More Information on Aedes Albopictus: Infectious Disease Basics
"ASO Test" is more commonly referred to as "Antistreptolysin O Test" in the medical community. Antistreptolysin O Test
Also Known As: "Streptococcal Antibody Test, Antistreptolysin-O Titer, ASOT"
A blood test that measures ASO, an antibody generated by the body in response to infection by a specific type of bacteria called Group A Streptococcus. High levels may indicate an infection, such as endocarditis, rheumatic fever or scarlet fever. More Information on Antistreptolysin O Test: Blood Tests
"ASOT" is more commonly referred to as "Antistreptolysin O Test" in the medical community. Antistreptolysin O Test
Also Known As: "Streptococcal Antibody Test, Antistreptolysin-O Titer, ASO Test"
A blood test that measures ASO, an antibody generated by the body in response to infection by a specific type of bacteria called Group A Streptococcus. High levels may indicate an infection, such as endocarditis, rheumatic fever or scarlet fever. More Information on Antistreptolysin O Test: Blood Tests
"ASP" is more commonly referred to as "Absence of the Septum Pellucidum" in the medical community. Absence of the Septum Pellucidum
A rare disorder involving abnormal development of a thin membrane located along the middle of the brain. It is not life threatening alone, but often occurs with other cranial abnormalities. More Information on Absence of the Septum Pellucidum: Birth & Genetic Disorders
"Asparaginase" is more commonly referred to as "Doxorubicin" in the medical community. Doxorubicin
Also Known As: "Pemetrexed Disodium, Pemetrexed"
A type of antineoplastic, medications that inhibits the process of cell growth (neoplasm). It may be used in cancer treatment. More Information on Doxorubicin: Cancer Drug & Medication
"Aspart" is more commonly referred to as "Insulin Aspart" in the medical community. Insulin Aspart
A form of fast-acting human insulin used in the treatment of type 2 diabetes. It is usually used in conjunction with other antidiabetic agents, including a longer-acting form of insulin. More Information on Insulin Aspart: Insulin
An adverse reaction to this calorie-free sweetener used in many products, such as soft drinks. Allergic reactions may include swelling, hives, headaches and hyperactivity. However, these reactions have not yet been verified by scientific studies. More Information on Aspartame Allergy: Food Allergy & Intolerance
Also Known As: "SGOT, Serum Glutamic Oxaloacetic Transaminase, AST"
Formerly known as serum glutamic-oxaloacetic transaminase (SGOT), AST is an enzyme vital to energy production. Blood levels increase when body cells are damaged, making it an important tool for diagnosing conditions and monitoring treatments. More Information on Aspartate Aminotransferase: Blood Tests
A type of pervasive developmental disorder similar to autism, but usually without any language or cognitive impairment. Patients may lack social skills and coordinated movement, but symptoms are generally mild. More Information on Asperger's Syndrome: Autism & Related Disorders
Also Known As: "Aspergillus Fungus Infection, Aspergillus Infection"
Infection, growth or allergic response caused by the Aspergillus fungus. It occurs most often in people with suppressed immune systems. It tends to affect the skin, ears, nasal sinuses and lungs. More Information on Aspergillosis: Pneumonia & Lung Infection
Infection, growth or allergic response caused by the Aspergillus fungus. It occurs most often in people with suppressed immune systems. It tends to affect the skin, ears, nasal sinuses and lungs. More Information on Aspergillus Fungus Infection: Pneumonia & Lung Infection
Infection, growth or allergic response caused by the Aspergillus fungus. It occurs most often in people with suppressed immune systems. It tends to affect the skin, ears, nasal sinuses and lungs. More Information on Aspergillus Infection: Pneumonia & Lung Infection
"Aspiration Biopsy" is more commonly referred to as "Biopsy" in the medical community. Biopsy
Also Known As: "Surgical Biopsy, Fine Needle Aspiration, Endoscopic Biopsy, Punch Biopsy, Needle Biopsy, Fine Needle Biopsy, Core Biopsy"
Removal of tissue from a body area suspected of being cancerous. It can be performed in a variety of ways, including skin scraping, endoscopy, using a needle to remove a small amount of tissue or through surgery. More Information on Biopsy: Cancer Basics
"Aspiration of Pericardial Fluid" is more commonly referred to as "Pericardiocentesis" in the medical community. Pericardiocentesis
Also Known As: "Percutaneous Balloon Pericardiotomy, Pericardiostomy, Pericardial Effusion Tap, Surgical Pericardiotomy, Tube Pericardiostomy, Pericardial Tap, Pericardiotomy"
An invasive procedure in which fluid is removed from the pericardium -- a protective sac surrounding the heart. The fluid may be removed by a needle, through a catheter or as part of surgery. This may be done for diagnostic or treatment purposes. More Information on Pericardiocentesis: Heart Injuries & Infections
A type of salicylate drug that is often used to reduce minor pains and aches, lower fever and as an anti-inflammatory. More Information on Aspirin: Pain Medications
A nonsteroidal antiinflammatory drug (NSAID) that is also an analgesic (pain reducer) and an antiplatelet (blood clot inhibitor). Daily use may be recommended in some patients at risk for cardiovascular disease, including people with diabetes. More Information on Aspirin & Diabetes: Diabetes & Endocrine Drugs
A nonsteroidal antiinflammatory drug (NSAID) that is also an analgesic (pain reducer) and an antiplatelet (blood clot inhibitor). Daily use may lower heart attack and stroke risk in patients with cardiovascular disease. More Information on Aspirin & Heart Disease: Heart Drug & Medication
A study published in the Archives of Internal Medicine suggests that men are more likely to take aspirin than women. However, there are a number of reasons why it is very important for some women to take aspirin regularly. More Information on Aspirin & Women: Women's Heart
Asthmatic individuals are often sensitive to aspirin, which can trigger an asthma attack in some people. This reaction is similar to the reaction some asthmatics have when using NSAIDs. More Information on Aspirin Sensitivity: Drug Allergies
"Aspirin Therapy" is more commonly referred to as "Daily Aspirin Therapy" in the medical community. Daily Aspirin Therapy
In the early 1970s, research studies concerning the cardiovascular benefits of taking one aspirin a day began to appear. These studies suggested that a daily aspirin could help to prevent heart attacks. More Information on Daily Aspirin Therapy: Heart Drug & Medication
"ASQ" is more commonly referred to as "Social Communication Questionnaire" in the medical community. Social Communication Questionnaire
Also Known As: "SCQ, Autism Screening Questionnaire"
A forty-item questionnaire developed to screen for autism using current diagnostic criteria that can be applied to all age groups. Previously known as the Autism Screening Questionnaire (ASQ).
Treatment for patients with mental illness by a comprehensive, dedicated team in the comfort of the patients' own homes or communities. More Information on Assertive Community Treatment: Therapy & Support
Fertility treatments in which the eggs as well as the sperm are handled. These generally involve surgically removing eggs, combining them with sperm in a laboratory and returning them to the woman's body or a surrogate mother. More Information on Assisted Reproductive Technology: Fertility Issues
Represents independent and hospital-based organ procurement organizations throughout the U.S. with a mission of maximizing the availability of organs for transplant and establishing standards for a high-quality and efficient donation process.
"ASSQ" is more commonly referred to as "Autism Spectrum Screening Questionnaire" in the medical community. Autism Spectrum Screening Questionnaire
A screening tool for school-age children who may have Asperger syndrome or higher-functioning autism concentrating on social and behavioral problems in children without significant language impairment. More Information on Autism Spectrum Screening Questionnaire: Autism & Related Disorders
Also Known As: "SGOT, Serum Glutamic Oxaloacetic Transaminase"
Formerly known as serum glutamic-oxaloacetic transaminase (SGOT), AST is an enzyme vital to energy production. Blood levels increase when body cells are damaged, making it an important tool for diagnosing conditions and monitoring treatments. More Information on AST: Blood Tests
"Astatic Seizures" is more commonly referred to as "Atonic Seizures" in the medical community. Atonic Seizures
Also Known As: "Akinetic Seizures, Drop Attacks"
A type of generalized seizure that causes an abrupt loss of muscle tone. This leads to sudden collapse, posture loss or head drop. They occur without warning and those affected fall hard, risking head injury. More Information on Atonic Seizures: Epilepsy & Seizure
A condition in which the airways become blocked or narrowed, causing shortness of breath and difficulty breathing. Asthma is triggered by environmental factors that include allergens, as well as cold air and exercise. More Information on Asthma: Asthma Basics
Learning to control breathing is an important tool for asthmatics, who typically breathe up to three times as often as non-asthmatics in general and even more frequently during attacks. More Information on Asthma & Breath Management: Asthma Basics
Also Known As: "Chronic Asthma & Children, Pediatric Asthma"
Asthma is estimated to affect 6.1 million children under the age of 18. It is the leading cause of chronic illness among children. More Information on Asthma & Children: Pediatric Allergy & Asthma
Also Known As: "Asthma Related Breathing Problems"
In people with asthma, the function of the lungs can be affected by a number of allergens, triggering an attack. Lung cells make more mucus, tubes swell and lung muscles tighten. All of this causes airways to narrow and make breathing difficult. More Information on Asthma & Other Lung Diseases: Asthma Basics
Asthma is a condition in which the airways become blocked or narrowed causing shortness of breath and difficulty breathing. Management of the condition is required to avoid complications to the developing fetus and to ensure a healthy delivery. More Information on Asthma & Pregnancy: Pregnancy Management
A plan for people with asthma or cargivers of asthmatics that outlines the steps required to prevent and treat asthma attacks. More Information on Asthma Action Plan: Asthma Basics
Outlines the steps required to prevent and treat asthma attacks in children. There are some areas of the asthma action plan that need special attention when used for children. More Information on Asthma Action Plans for Children: Pediatric Allergy & Asthma
The occurrence of asthma symptoms. Attacks may begin suddenly or build up over a period of time. They are triggered by certain factors, but it is not known exactly why they occur. Learning to manage attacks is vital for all asthmatics. More Information on Asthma Attacks: Asthma Basics
A number of allergens have been linked to the onset of asthma symptoms in people with asthma. However, the relationship between allergies and asthma is not completely understood. More Information on Asthma Management: Asthma Basics
Medications that generally relieve the symptoms caused by asthma, but do not cure the condition itself. More Information on Asthma Medications: Asthma Basics
In people with asthma, the function of the lungs can be affected by a number of allergens, triggering an attack. Lung cells make more mucus, tubes swell and lung muscles tighten. All of this causes airways to narrow and make breathing difficult. More Information on Asthma Related Breathing Problems: Asthma Basics
A misshaped cornea (front surface of the eye). Light rays entering the eye do not focus on the retina properly, causing image distortion. More Information on Astigmatism: Pediatric Hearing & Vision
"Astrocytomas" is more commonly referred to as "Brain Tumors" in the medical community. Brain Tumors
Also Known As: "Neurocytomas, Craniopharyngiomas, Primary Brain Tumors, Ganglioneuromas, Germinomas, Meningiomas, Glioblastomas"
Brain tumors are diseases in which cancer cells begin to grow in the tissues of the brain. Tumors that start in the brain are called primary brain tumors. Tumors can occur in other parts of the body and spread to the brain (metastases). More Information on Brain Tumors: Brain & Nerve Cancer
A family of viruses often found in the feces of may animals that may cause gastroenteritis. More Information on Astrovirus: Gastroenteritis & Food Illness
A family of viruses often found in the feces of may animals that may cause gastroenteritis. More Information on Astrovirus Infection: Gastroenteritis & Food Illness
A rare type of multiple congenital anomaly/mental retardation (MCA/MR) syndrome that may include one or more birth defects of the heart, such as tetralogy of Fallot, pulmonary stenosis, atrial septal defect, ventricular septal defect and others. More Information on Asymmetric Crying Facies Syndrome: Birth & Genetic Disorders
"Asymmetric Septal Hypertrophy" is more commonly referred to as "Hypertrophic Cardiomyopathy" in the medical community. Hypertrophic Cardiomyopathy
Also Known As: "Idiopathic Hypertrophic Subaortic Stenosis, Hypertrophic Obstructive Cardiomyopathy, HOCM, IHSS, Concentric Hypertrophic Cardiomyopathy, Hypertensive Hypertrophic Cardiomyopathy, ASH"
An abnormal growth of muscle fibers on the heart muscle, often causing a thickened septum. It can lead to sudden cardiac death and is a major cause of death in young athletes. More Information on Hypertrophic Cardiomyopathy: Heart Failure
"Asymmetrical Dimethylarginine" is more commonly referred to as "ADMA" in the medical community. ADMA
A compound normally removed from the body by the kidneys. High levels in the blood (due to kidney disease) may make it harder for blood vessels to dilate (or widen). Researchers are investigating this possible link between kidney and heart disease.
A type of urinary tract infection caused by bacteria that does not produce any of the usual symptoms. It affects nearly one fifth of people with diabetes (primarily women) and can lead to kidney problems if untreated. More Information on Asymptomatic Bacteriuria: Urinary & Bladder
"Asymptomatic Inflammatory Prostatis" is more commonly referred to as "Prostatitis" in the medical community. Prostatitis
Also Known As: "Chronic Prostatis, Chronic Bacterial Prostatitis, Chronic Pelvic Pain Syndrome, Acute Prostatis, Bacterial Prostatitis"
Acute or chronic inflammation of the prostate gland. About half of men experience this at some point. Bacterial infection is a common cause, but there are other causes as well. May cause problems with urination. More Information on Prostatitis: Prostate & Testicular
"Asymptomatic Polio" is more commonly referred to as "Polio" in the medical community. Polio
Also Known As: "Paralytic Polio, Poliomyelitis, Abortive Polio, Infantile Paralysis, Symptomatic Polio, Nonparalytic Polio, Spinal Polio"
A contagious viral infection that affects the nervous system and may cause paralysis. It is most common in children under the age of 3. Use of vaccines to prevent polio has virtually eliminated the disease in the Western Hemisphere. More Information on Polio: Infectious Disease Basics
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