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