Health Encyclopedia: A

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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 of sweating	Aneurysm
Absence seizure	Aneurysm in the brain
Absent menstrual periods - primary	Angelman syndrome
Absent menstrual periods - secondary	Angina
Absent pulmonary valve	Angiodysplasia of the colon
Acanthosis nigricans	Angioedema
ACE blood test	Angioplasty and stent placement - carotid artery
Acetaminophen and codeine overdose	Angioplasty and stent placement - heart
Acetaminophen overdose	Angioplasty and stent placement - peripheral arteries
Acetone poisoning	Animal bites
Acetylcholine receptor antibody	Anisocoria
Achalasia	Ankle arthroscopy
Achilles tendinitis	Ankle pain
Achilles tendon repair	Ankle replacement
Achondrogenesis	Ankylosing spondylitis
Achondroplasia	Annular pancreas
Acid loading test (pH)	Anomalous left coronary artery from the pulmonary artery
Acid mucopolysaccharides	Anorchia
Acid soldering flux poisoning	Anorectal abscess
Acid-fast stain	Anorexia
Acidosis	Anoscopy
ACL reconstruction	Anovulation
Acne	Anterior
Acoustic neuroma	Anterior cruciate ligament (ACL) injury
Acoustic trauma	Anterior knee pain
Acquired platelet function defect	Anterior vaginal wall repair
Acrodysostosis	Anthrax
Acromegaly	Anthrax blood test
ACTH blood test	Anti-DNase B blood test
ACTH stimulation test	Anti-glomerular basement membrane blood test
Actinic keratosis	Anti-glomerular basement membrane disease
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	Antiphospholipid syndrome - APS
Acute myeloid leukemia - adult	Antisocial personality disorder
Acute nephritic syndrome	Antistreptolysin O titer
Acute pancreatitis	Antithrombin III blood test
Acute respiratory distress syndrome	Antithyroglobulin antibody test
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 cataract	Apolipoprotein CII
Adult soft tissue sarcoma	Apoplexy
Adult Still disease	Appendectomy
Advance care directives	Appendicitis
Aerobic	Appetite - decreased
Aerobic bacteria	Appetite - increased
Aflatoxin	Appropriate for gestational age (AGA)
Aftershave poisoning	Apraxia
Agammaglobulinemia	Arachnodactyly
Age-related hearing loss	Arachnoid cyst
Age-related macular degeneration	Arm CT scan
Aging changes in body shape	Arm MRI scan
Aging changes in hair and nails	Armpit lump
Aging changes in hormone production	Arrhenoblastoma of ovary
Aging changes in immunity	Arrhythmias
Aging changes in organs, tissues, and cells	Arterial embolism
Aging changes in skin	Arterial insufficiency
Aging changes in sleep	Arterial stick
Aging changes in the bones - muscles - joints	Arteriogram
Aging changes in the breast	Arthritis
Aging changes in the face	Arthritis - resources
Aging changes in the female reproductive system	Arthroscopy
Aging changes in the heart and blood vessels	Artificial Insemination
Aging changes in the kidneys and bladder	Artificial urinary sphincter
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) test	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	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