Health Encyclopedia: A

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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