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 syndrome Abdominal MRI scan Amniotic fluid Abdominal pain Amputation - traumatic 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 cerebellar ataxia Antibody Acute cholecystitis Antibody titer blood test Acute coronary syndrome Anticoagulant rodenticides poisoning Acute HIV infection Antidiarrheal drug overdose Acute Ischemic Stroke Antidiuretic hormone blood test Acute kidney failure Antifreeze poisoning Acute lymphoblastic leukemia (ALL) Antigen Acute mountain sickness Antimitochondrial antibody Acute myeloid leukemia (AML) - children Antinuclear antibody panel Acute myeloid leukemia - adult Antiparietal cell antibody test Acute nephritic syndrome Antisocial personality disorder Acute pancreatitis Antistreptolysin O titer Acute respiratory distress syndrome Antithrombin III blood test Acute tubular necrosis Antithyroglobulin antibody Acute unilateral obstructive uropathy Antithyroid microsomal antibody Addison disease Aortic aneurysm repair - endovascular Adenoid removal Aortic angiography Adenomyosis Aortic arch syndrome Adhesion Aortic dissection Adjustment disorder Aortic insufficiency Adolescent depression Aortic stenosis Adolescent development Aortic valve surgery - minimally invasive Adolescent test or procedure preparation Aortic valve surgery - open Adrenal gland removal Aortopulmonary window Adrenal glands Apert syndrome Adrenergic bronchodilator overdose Apgar score Adrenocortical carcinoma Aplastic Adrenoleukodystrophy Aplastic anemia Adult soft tissue sarcoma Apnea of prematurity Adult Still disease Apolipoprotein B100 Advance care directives Apolipoprotein CII Aerobic Apoplexy Aerobic bacteria Appendectomy Aflatoxin Appendicitis Aftershave poisoning Appetite - decreased Agammaglobulinemia Appetite - increased Age-related hearing loss Appropriate for gestational age (AGA) Aging changes in body shape Apraxia Aging changes in hair and nails Arachnodactyly Aging changes in hormone production Arm CT scan Aging changes in immunity Arm MRI scan Aging changes in organs, tissues, and cells Armpit lump Aging changes in skin Arrhenoblastoma of ovary Aging changes in sleep Arrhythmias Aging changes in the bones - muscles - joints Arterial embolism Aging changes in the breast Arterial insufficiency Aging changes in the face Arterial stick Aging changes in the female reproductive system Arteriogram Aging changes in the heart and blood vessels Arthritis Aging changes in the kidneys and bladder Arthritis - resources Aging changes in the lungs Arthroscopy Aging changes in the male reproductive system Artificial Insemination Aging changes in the nervous system Asbestosis Aging changes in the senses Ascariasis Aging changes in vital signs Ascites Aging spots - should you be concerned? Aseptic meningitis Agitation Asherman syndrome Agoraphobia Aspartate aminotransferase (AST) blood test Agranulocytosis Aspartic acid Aicardi syndrome Aspergillosis Alanine transaminase (ALT) blood test Aspergillosis precipitin Albinism Asphalt cement poisoning Albumin - blood (serum) Aspiration Alcohol and pregnancy Aspiration pneumonia Alcohol use and safe drinking Aspirin overdose Alcohol use disorder Asthma Alcohol withdrawal Asthma - children Alcoholic ketoacidosis Asthma and allergy - resources Alcoholic liver disease Astigmatism Alcoholic neuropathy Asymptomatic Alcoholism - resources Asymptomatic bacteriuria Aldolase blood test Asymptomatic HIV infection Aldosterone blood test Ataxia - telangiectasia Alkalosis Atelectasis Alkaptonuria Atheroembolic renal disease Allergen Athlete's foot Allergic conjunctivitis Atopic dermatitis Allergic reactions Atrial fibrillation or flutter Allergic rhinitis Atrial myxoma Allergies - overview Atrial septal defect (ASD) Allergy testing - skin Attention deficit hyperactivity disorder Allergy to mold - animal dander - dust Atypical pneumonia Aloe Audiometry Alopecia areata Aural polyps ALP - blood test Auscultation ALP isoenzyme test Autism - resources Alpha fetoprotein Autism spectrum disorder Alpha-1 antitrypsin blood test Autism spectrum disorder - Asperger syndrome Alpha-1 antitrypsin deficiency Autism spectrum disorder - childhood disintegrative disorder Alport syndrome Autoerythrocyte sensitivity ALS - resources Autoimmune disorders Alström syndrome Autoimmune hepatitis Alternating Hemiplegia Autoimmune liver disease panel Alternative medicine - pain relief Autoinoculation Alveolar abnormalities Automatic dishwasher soap poisoning Alzheimer - resources Autonomic dysreflexia Alzheimer disease Autonomic neuropathy Amaurosis fugax Autosomal dominant Ambiguous genitalia Autosomal dominant tubulointerstitial kidney disease Amblyopia Autosomal recessive Ambulatory blood pressure monitoring (ABPM) Avian influenza Amebiasis Avoidant personality disorder Amebic liver abscess Axillary nerve dysfunction