Health Encyclopedia: A A-Z 1 2 5 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A1C test Amelogenesis imperfecta Aarskog syndrome Amino acids Aase syndrome Aminoaciduria Abdomen - swollen Aminophylline overdose Abdominal aortic aneurysm Amitriptyline and perphenazine overdose Abdominal aortic aneurysm repair - open Amitriptyline hydrochloride overdose Abdominal bloating Ammonia blood test Abdominal CT scan Ammonia poisoning Abdominal exploration Ammonium hydroxide poisoning Abdominal girth Amniocentesis Abdominal mass Amniotic band sequence Abdominal MRI scan Amniotic fluid Abdominal pain Amylase - blood Abdominal pain - children under age 12 Amylase - urine Abdominal rigidity Amyotrophic lateral sclerosis (ALS) Abdominal sounds Anaerobic Abdominal tap Anaerobic bacteria Abdominal thrusts Anal cancer Abdominal ultrasound Anal fissure Abdominal wall fat pad biopsy Analgesic nephropathy Abdominal wall surgery Anaphylaxis Abdominal x-ray Anaplastic thyroid cancer Abnormal posturing Anastomosis Abnormal uterine bleeding Androgen insensitivity syndrome Abnormally dark or light skin Anemia ABO incompatibility Anemia caused by low iron - children Abortion - medical Anemia caused by low iron - infants and toddlers Abortion - surgical Anemia of chronic disease Abscess Anencephaly Abscess - abdomen or pelvis Aneurysm Absence of sweating Aneurysm in the brain Absence seizure Angelman syndrome Absent menstrual periods - primary Angina Absent menstrual periods - secondary Angiodysplasia of the colon Absent pulmonary valve Angioedema Acanthosis nigricans Angioplasty and stent placement - carotid artery ACE blood test Angioplasty and stent placement - heart Acetaminophen and codeine overdose Angioplasty and stent placement - peripheral arteries Acetaminophen overdose Animal bites Acetone poisoning Anisocoria Acetylcholine receptor antibody Ankle arthroscopy Achalasia Ankle pain Achilles tendinitis Ankle replacement Achilles tendon repair Ankylosing spondylitis Achondrogenesis Annular pancreas Achondroplasia Anomalous left coronary artery from the pulmonary artery Acid loading test (pH) Anorchia Acid mucopolysaccharides Anorectal abscess Acid soldering flux poisoning Anorexia Acid-fast stain Anoscopy Acidosis Anovulation ACL reconstruction Anterior Acne Anterior cruciate ligament (ACL) injury Acoustic neuroma Anterior knee pain Acoustic trauma Anterior vaginal wall repair Acquired platelet function defect Anthrax Acrodysostosis Anthrax blood test Acromegaly Anti-DNase B blood test ACTH blood test Anti-glomerular basement membrane blood test ACTH stimulation test Anti-glomerular basement membrane disease Actinic keratosis Anti-insulin antibody test Actinomycosis Anti-reflux surgery Acute Anti-reflux surgery - children Acute adrenal crisis Anti-rust product poisoning Acute arterial occlusion - kidney Anti-smooth muscle antibody Acute bilateral obstructive uropathy Antibody Acute bronchitis Antibody titer blood test Acute cerebellar ataxia Anticoagulant rodenticides poisoning Acute cholecystitis Antidiarrheal drug overdose Acute coronary syndrome Antidiuretic hormone blood test Acute flaccid myelitis Antifreeze poisoning Acute HIV infection Antigen Acute Ischemic Stroke Antimitochondrial antibody Acute kidney failure Antinuclear antibody panel Acute lymphoblastic leukemia (ALL) Antiparietal cell antibody test Acute mountain sickness Antiphospholipid syndrome - APS Acute myeloid leukemia (AML) - children Antisocial personality disorder Acute myeloid leukemia - adult Antistreptolysin O titer Acute nephritic syndrome Antithrombin III blood test Acute pancreatitis Antithyroglobulin antibody test Acute respiratory distress syndrome Aortic aneurysm repair - endovascular Acute tubular necrosis Aortic angiography Acute unilateral obstructive uropathy Aortic arch syndrome Addison disease Aortic dissection Adenoid removal Aortic regurgitation Adenomyosis Aortic stenosis Adhesion Aortic valve surgery - minimally invasive Adjustment disorder Aortic valve surgery - open Adolescent depression Aortopulmonary window Adolescent development Apert syndrome Adolescent test or procedure preparation Apgar score Adrenal gland removal Aplastic Adrenal glands Aplastic anemia Adrenergic bronchodilator overdose Apnea of prematurity Adrenocortical carcinoma Apolipoprotein B100 Adrenoleukodystrophy Apolipoprotein CII Adult cataract Apoplexy Adult soft tissue sarcoma Appendectomy Adult Still disease Appendicitis Advance care directives Appetite - decreased Aerobic Appetite - increased Aerobic bacteria Appropriate for gestational age (AGA) Aflatoxin Apraxia Aftershave poisoning Arachnodactyly Agammaglobulinemia Arachnoid cyst Age-related hearing loss Arm CT scan Age-related macular degeneration Arm MRI scan Aging changes in body shape Armpit lump Aging changes in hair and nails Arrhenoblastoma of ovary Aging changes in hormone production Arrhythmias Aging changes in immunity Arterial embolism Aging changes in organs, tissues, and cells Arterial insufficiency Aging changes in skin Arterial stick Aging changes in sleep Arteriogram Aging changes in the bones - muscles - joints Arthritis Aging changes in the breast Arthritis - resources Aging changes in the face Arthroscopy Aging changes in the female reproductive system Artificial Insemination Aging changes in the heart and blood vessels Artificial urinary sphincter Aging changes in the kidneys and bladder Asbestosis Aging changes in the lungs Ascariasis Aging changes in the male reproductive system Ascites Aging changes in the nervous system Aseptic meningitis Aging changes in the senses Asherman syndrome Aging changes in vital signs Aspartate aminotransferase (AST) blood test Aging spots - should you be concerned? Aspartic acid Agitation Aspergillosis Agoraphobia Aspergillosis precipitin Agranulocytosis Asphalt cement poisoning Aicardi syndrome Aspiration Alanine transaminase (ALT) blood test Aspiration pneumonia Albinism Aspirin overdose Albumin blood (serum) test Asthma Alcohol and pregnancy Asthma and allergy resources Alcohol use and safe drinking Asthma in children Alcohol use disorder Astigmatism Alcohol use disorder - resources Asymptomatic Alcohol withdrawal Asymptomatic bacteriuria Alcoholic ketoacidosis Asymptomatic HIV infection Alcoholic liver disease Ataxia Alcoholic neuropathy Ataxia - telangiectasia Aldolase blood test Atelectasis Aldosterone blood test Atheroembolic renal disease Alkalosis Atherosclerosis Alkaptonuria Athlete's foot Allergen Atopic dermatitis Allergic conjunctivitis Atrial fibrillation or flutter Allergic reactions Atrial myxoma Allergic rhinitis Atrial septal defect (ASD) Allergies Attention deficit hyperactivity disorder Allergy testing - skin Atypical pneumonia Allergy to mold - animal dander - dust Audiometry Aloe Aural polyps Alopecia areata Auscultation ALP - blood test Autism - resources ALP isoenzyme test Autism spectrum disorder Alpha fetoprotein Autism spectrum disorder - Asperger syndrome Alpha-1 antitrypsin blood test Autism spectrum disorder - childhood disintegrative disorder Alpha-1 antitrypsin deficiency Autoerythrocyte sensitivity Alport syndrome Autoimmune disorders ALS - resources Autoimmune hepatitis Alström syndrome Autoimmune liver disease panel Alternating Hemiplegia Autoinoculation Alternative medicine - pain relief Automatic dishwasher soap poisoning Alveolar abnormalities Autonomic dysreflexia Alzheimer - resources Autonomic neuropathy Alzheimer disease Autosomal dominant Amaurosis fugax Autosomal dominant tubulointerstitial kidney disease Ambiguous genitalia Autosomal recessive Amblyopia Avian influenza Ambulatory blood pressure monitoring (ABPM) Avoidant personality disorder Amebiasis Axillary nerve dysfunction Amebic liver abscess