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 Amebic liver abscess Aarskog syndrome Amelogenesis imperfecta Aase syndrome Amino acids Abdomen - swollen Aminoaciduria Abdominal aortic aneurysm Aminophylline overdose Abdominal aortic aneurysm repair - open Amitriptyline and perphenazine overdose Abdominal bloating Amitriptyline hydrochloride overdose Abdominal CT scan Ammonia blood test Abdominal exploration Ammonia poisoning Abdominal girth Ammonium hydroxide poisoning Abdominal mass Amniocentesis Abdominal MRI scan Amniotic band sequence Abdominal pain Amniotic fluid Abdominal pain - children under age 12 Amylase - blood Abdominal rigidity Amylase - urine Abdominal sounds Amyotrophic lateral sclerosis (ALS) Abdominal tap Anaerobic Abdominal thrusts Anaerobic bacteria Abdominal ultrasound Anal cancer Abdominal wall fat pad biopsy Anal fissure Abdominal wall surgery Analgesic nephropathy Abdominal x-ray Anaphylaxis Abnormal posturing Anaplastic thyroid cancer Abnormal uterine bleeding Anastomosis Abnormally dark or light skin Androgen insensitivity syndrome ABO incompatibility Anemia Abortion - medical Anemia caused by low iron - children Abortion - surgical Anemia caused by low iron - infants and toddlers Abscess Anemia of chronic disease Abscess - abdomen or pelvis Anencephaly Absence seizure Aneurysm Absent menstrual periods - primary Aneurysm in the brain Absent menstrual periods - secondary Angelman syndrome Absent pulmonary valve Angina Acanthosis nigricans Angiodysplasia of the colon ACE blood test Angioedema Acetaminophen and codeine overdose Angioplasty and stent placement - carotid artery Acetaminophen overdose Angioplasty and stent placement - heart Acetone poisoning Angioplasty and stent placement - peripheral arteries Acetylcholine receptor antibody Animal bites Achalasia Anisocoria Achilles tendinitis Ankle arthroscopy Achilles tendon repair Ankle pain Achondrogenesis Ankle replacement Achondroplasia Ankylosing spondylitis Acid loading test (pH) Annular pancreas Acid mucopolysaccharides Anomalous left coronary artery from the pulmonary artery Acid soldering flux poisoning Anorchia Acid-fast stain Anorectal abscess Acidosis Anorexia ACL reconstruction Anoscopy Acne Anovulation Acoustic neuroma Anterior Acoustic trauma Anterior cruciate ligament (ACL) injury Acquired platelet function defect Anterior knee pain Acrodysostosis Anterior vaginal wall repair Acromegaly Anthrax ACTH blood test Anthrax blood test ACTH stimulation test Anti-DNase B blood test Actinic keratosis Anti-glomerular basement membrane blood test Actinomycosis Anti-insulin antibody test Acute Anti-reflux surgery Acute adrenal crisis Anti-reflux surgery - children Acute arterial occlusion - kidney Anti-rust product poisoning Acute bilateral obstructive uropathy Anti-smooth muscle antibody Acute bronchitis Antibody Acute cerebellar ataxia Antibody titer blood test Acute cholecystitis Anticoagulant rodenticides poisoning Acute coronary syndrome Antidiarrheal drug overdose Acute flaccid myelitis Antidiuretic hormone blood test Acute HIV infection Antifreeze poisoning Acute Ischemic Stroke Antigen Acute kidney failure Antimitochondrial antibody Acute lymphoblastic leukemia (ALL) Antinuclear antibody panel Acute mountain sickness Antiparietal cell antibody test 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 Antithyroid microsomal antibody Acute tubular necrosis Aortic aneurysm repair - endovascular Acute unilateral obstructive uropathy Aortic angiography Addison disease Aortic arch syndrome Adenoid removal Aortic dissection Adenomyosis Aortic regurgitation Adhesion Aortic stenosis Adjustment disorder Aortic valve surgery - minimally invasive Adolescent depression Aortic valve surgery - open Adolescent development Aortopulmonary window Adolescent test or procedure preparation Apert syndrome Adrenal gland removal Apgar score Adrenal glands Aplastic Adrenergic bronchodilator overdose Aplastic anemia Adrenocortical carcinoma Apnea of prematurity Adrenoleukodystrophy Apolipoprotein B100 Adult soft tissue sarcoma Apolipoprotein CII Adult Still disease Apoplexy Advance care directives Appendectomy Aerobic Appendicitis Aerobic bacteria Appetite - decreased Aflatoxin Appetite - increased Aftershave poisoning Appropriate for gestational age (AGA) Agammaglobulinemia Apraxia Age-related hearing loss Arachnodactyly Aging changes in body shape Arm CT scan Aging changes in hair and nails Arm MRI scan Aging changes in hormone production Armpit lump Aging changes in immunity Arrhenoblastoma of ovary Aging changes in organs, tissues, and cells Arrhythmias Aging changes in skin Arterial embolism Aging changes in sleep Arterial insufficiency Aging changes in the bones - muscles - joints Arterial stick Aging changes in the breast Arteriogram Aging changes in the face Arthritis Aging changes in the female reproductive system Arthritis - resources Aging changes in the heart and blood vessels Arthroscopy Aging changes in the kidneys and bladder Artificial Insemination Aging changes in the lungs Asbestosis Aging changes in the male reproductive system Ascariasis Aging changes in the nervous system Ascites Aging changes in the senses Aseptic meningitis Aging changes in vital signs Asherman syndrome Aging spots - should you be concerned? Aspartate aminotransferase (AST) blood test Agitation Aspartic acid Agoraphobia Aspergillosis Agranulocytosis Aspergillosis precipitin Aicardi syndrome Asphalt cement poisoning Alanine transaminase (ALT) blood test Aspiration Albinism Aspiration pneumonia Albumin - blood (serum) Aspirin overdose Alcohol and pregnancy Asthma Alcohol use and safe drinking Asthma and allergy resources Alcohol use disorder Asthma in children Alcohol use disorder - resources Astigmatism Alcohol withdrawal Asymptomatic Alcoholic ketoacidosis Asymptomatic bacteriuria Alcoholic liver disease Asymptomatic HIV infection Alcoholic neuropathy Ataxia - telangiectasia Aldolase blood test Atelectasis Aldosterone blood test Atheroembolic renal disease Alkalosis Athlete's foot Alkaptonuria Atopic dermatitis Allergen Atrial fibrillation or flutter Allergic conjunctivitis Atrial myxoma Allergic reactions Atrial septal defect (ASD) Allergic rhinitis Attention deficit hyperactivity disorder Allergies - overview Atypical pneumonia Allergy testing - skin Audiometry Allergy to mold - animal dander - dust Aural polyps Aloe Auscultation Alopecia areata Autism - resources ALP - blood test Autism spectrum disorder ALP isoenzyme test Autism spectrum disorder - Asperger syndrome Alpha fetoprotein Autism spectrum disorder - childhood disintegrative disorder Alpha-1 antitrypsin blood test Autoerythrocyte sensitivity Alpha-1 antitrypsin deficiency Autoimmune disorders Alport syndrome Autoimmune hepatitis ALS - resources Autoimmune liver disease panel Alström syndrome Autoinoculation Alternating Hemiplegia Automatic dishwasher soap poisoning Alternative medicine - pain relief Autonomic dysreflexia Alveolar abnormalities Autonomic neuropathy Alzheimer - resources Autosomal dominant Alzheimer disease Autosomal dominant tubulointerstitial kidney disease Amaurosis fugax Autosomal recessive Ambiguous genitalia Avian influenza Amblyopia Avoidant personality disorder Ambulatory blood pressure monitoring (ABPM) Axillary nerve dysfunction Amebiasis