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 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