• Aicardi syndrome
• AIDS
• AIDS - resources
• AIDS patients and pets see Pets and the immunocompromised person
• AIDS-related complex - ARC see Early symptomatic HIV infection
• Air around the lung see Pneumothorax
• Air embolus see Pulmonary embolus
• Air outside the lung see Pneumothorax
• Airway obstruction - acute upper see Acute upper airway obstruction
• Alanine transaminase see ALT
• Albinism
• Albright's hereditary osteodystrophy see Pseudohypoparathyroidism
• Albumin - serum
• Albumin - urine see Protein - urine
• Albuminuria see Protein - urine
• Alcaptonuria see Alkaptonuria
• Alcohol abuse see Alcoholism
• Alcohol and diet
• Alcohol dependence see Alcoholism
• Alcohol in pregnancy see Fetal alcohol syndrome
• Alcohol test - breath see Breath alcohol test
• Alcohol use
• Alcohol withdrawal
• Alcohol withdrawal - delirium tremens see Delirium tremens
• Alcoholic cardiomyopathy
• Alcoholic encephalopathy see Wernicke-Korsakoff syndrome
• Alcoholic ketoacidosis
• Alcoholic liver disease
• Alcoholic neuropathy
• Alcoholic polyneuropathy see Alcoholic neuropathy
• Alcoholism
• Alcoholism - resources
• Aldolase
• Aldosterone
• Aldosterone - urine see 24-hour urinary aldosterone excretion rate
• Alertness - decreased see Consciousness - decreased
• Aliseum see Diazepam overdose
• Alkaline phosphatase see ALP
• Alkalosis
• Alkalosis - respiratory see Respiratory alkalosis
• Alkaptonuria
• Alka-Seltzer see Sodium salicylate overdose
• ALL see Acute lymphocytic leukemia
• Allergen
• Allergic bronchopulmonary aspergillosis see Pulmonary aspergillosis - allergic bronchopulmonary type
• Allergic conjunctivitis
• Allergic dermatitis see Contact dermatitis
• Allergic reaction - drug (medication) see Drug allergies
• Allergic reactions
• Allergic rhinitis
• Allergic vasculitis
• Allergies
• Allergies and genetics
• Allergy testing
• Allergy to food see Food allergy
• Allergy to mold - dander - dust
• Allergy-causing see Allergen
• Allocar see Cardiac glycosides
• Allograft see Bone graft
• Alocasia see Caladium
• Aloe
• Alopecia see Hair loss
• Alopecia areata
• Alopecia in men see Male pattern baldness
• Alopecia in women see Female pattern baldness
• Alopecia totalis see Alopecia areata
• Alopecia universalis see Alopecia areata
• Alopent see Pentazocine overdose
• ALP
• ALP (alkaline phosphatase) isoenzyme
• Alpha fetoprotein
• Alpha-1 antitrypsin
• Alpha-1 antitrypsin deficiency
• Alpha-L-iduronate deficiency see Hurler syndrome
• Alphamul see Castor oil overdose
• Alport syndrome
• ALS see Amyotrophic lateral sclerosis
• ALS - resources
• Alstrm syndrome
• ALT
• Alteplase see Thrombolytic therapy (tissue plasminogen activator - tPA)
• Altered mental status see Unconsciousness - first aid
• Alternative medicine - pain relief see Acupuncture and pain
• Altitude anoxia see Acute mountain sickness
• Altitude sickness see Acute mountain sickness
• Alupram see Diazepam overdose
• Alveolar abnormalities
• Alveolar proteinosis see Pulmonary alveolar proteinosis
• Alveolar rhabdomyosarcoma see Rhabdomyosarcoma
• Alveolitis see Diffuse interstitial pulmonary fibrosis
• Alzheimer's disease and iron see Iron supplements and disease
• Alzheimer's disease epidemic?
• Alzheimer's - resources
• Alzheimer's disease
• AMACR see Prostate cancer - genetic and other markers
• Amaurosis fugax
• Ambiguous genitalia
• Amblyopia
• Ambulatory electrocardiography see Holter monitor (24h)
• Amebiasis
• Amebic dysentery see Amebiasis
• Amebic liver abscess
• Amelogenesis imperfecta
• Amenorrhea see Menstruation - absent
• Amenorrhea - primary
• Amenorrhea - secondary see Secondary amenorrhea
• American mountain fever see Colorado tick fever
• American Nightshade see Pokeweed
• American trypanosomiasis see Chagas disease
• Amikacin - serum see Therapeutic drug levels
• Amilon see Phenindamine overdose
• Amino acids
• Amino acids - plasma see Plasma amino acids
• Amino acids - urine see Aminoaciduria
• Aminoaciduria
• Aminophylline - serum see Therapeutic drug levels
• Aminophylline/theophylline
• Amitriptyline - serum see Therapeutic drug levels
• Amitriptyline and Perphenazine overdose
• Amitriptyline hydrochloride overdose
• Ammonia
• Ammonium hydroxide
• Ammonium ion
• Amnesia see Memory loss
• Amniocentesis
• Amniotic constriction bands
• Amniotic fluid
• AMP see Acid mucopolysaccharides
• Amphetamine or sympathomimetic intoxication
• Amphetamines - screen see Toxicology screen
• Amputation - traumatic
• Amsler grid test see Home vision tests
• Amylase - urine
• Amylase test
• Amyloid - primary see Primary amyloidosis
• Amyloidosis - cardiac see Cardiac amyloidosis
• Amyloidosis - cerebral see Senile cerebral amyloid angiopathy
• Amyloidosis - hereditary see Hereditary amyloidosis
• Amyotrophic lateral sclerosis
• ANA see Antinuclear antibody panel
• ANA panel see Antinuclear antibody panel
• Anaerobe see Anaerobic bacteria
• Anaerobic
• Anaerobic bacteria
• Anaerobic pneumonia see Aspiration pneumonia
• Anal abscess see Anorectal abscess
• Anal atresia see Imperforate anus
• Anal fissure
• Analgesic nephropathy
• Analgesics see Pain medications
• Analgesics - screen see Toxicology screen
• Anaphylactic reaction see Anaphylaxis
• Anaphylactic shock see Anaphylaxis
• Anaphylactoid purpura see Henoch-Schonlein purpura
• Anaphylaxis
• Anaplastic carcinoma of the thyroid see Anaplastic thyroid cancer
• Anaplastic thyroid cancer
• Anasarca see Swelling
• Anastomosis
• Ancylostoma braziliense see Creeping eruption
• Androblastoma see Arrhenoblastoma of ovary
• Androgen insensitivity syndrome
• Androgenic alopecia in women see Female pattern baldness
• Andropause, Normal male reproductive changes see Aging changes in the male reproductive system
• Anemia
• Anemia - B12 deficiency
• Anemia - chronic disease
• Anemia - Fanconi's see Fanconi's anemia
• Anemia - hemolytic see Hemolytic anemia
• Anemia - hemolytic - caused by chemicals or toxins see Hemolytic anemia caused by chemicals and toxins
• Anemia - hemolytic due to G6PD deficiency see Glucose-6-phosphate dehydrogenase deficiency
• Anemia - idiopathic aplastic see Idiopathic aplastic anemia
• Anemia - idiopathic autoimmune hemolytic see Idiopathic autoimmune hemolytic anemia
• Anemia - immune hemolytic see Immune hemolytic anemia
• Anemia - immune hemolytic - secondary to drugs see Drug-induced immune hemolytic anemia
• Anemia - iron deficiency see Iron deficiency anemia
• Anemia - iron deficiency - children see Iron deficiency anemia - children
• Anemia - megaloblastic see Megaloblastic anemia
• Anemia - secondary aplastic see Secondary aplastic anemia
• Anemia - sickle cell see Sickle cell anemia
• Anemia of inflammation see Anemia - chronic disease
• Anencephaly
• Anergy screen or panel see Skin test anergy
• Aneurysm
• Aneurysm - aortic see Abdominal aortic aneurysm
• Aneurysm - cerebral see Aneurysm in the brain
• Aneurysm - thoracic aortic see Thoracic aortic aneurysm
• Aneurysm in the brain
• Angel Dust see Phencyclidine overdose
• Angel wings see Caladium
• Angel's trumpet see Jimsonweed
• Angina
• Angina - stable
• Angina - unstable see Unstable angina
• Angina - variant see Coronary artery spasm
• Angina pectoris see Angina
• Angina pectoris - stable see Angina - stable
• Angiodysplasia of the colon
• Angioedema
• Angiofibroma - juvenile see Juvenile angiofibroma
• Angiogram see Arteriogram
• Angiography see Arteriogram
• Angiography - aorta see Aortic angiography
• Angiography - head see Cerebral angiography
• Angiography - heart see Coronary angiography
• Angiography - left heart see Left heart ventricular angiography
• Angiography - right heart see Right heart ventriculography
• Angiography/arteriography of the extremity see Extremity arteriography
• Angioma - cherry see Cherry angioma
• Angioma cavernosum see Birthmarks - red
• Angioneurotic edema see Angioedema
• Angio-osteohypertrophy see Klippel-Trenaunay syndrome
• Angioplasty
• Angle tumor see Acoustic neuroma
• Anhidrosis see Sweating - absent
• Anhidrotic ectodermal dysplasia see Ectodermal dysplasia
• Animal bites
• Anions see Ions
• Anisocoria see Eyes/pupils different size
• Ankle pain
• Ankle swelling see Foot, leg, and ankle swelling
• Ankyloglossia see Tongue tie
• Ankylosing spondylitis
• Annular pancreas
• Anorchia
• Anorectal abscess
• Anorectal malformation see Imperforate anus
• Anorectal malformation repair see Imperforate anus repair
• Anorexia nervosa
• Anorexia nervosa - resources see Eating disorders - resources
• Anorgasmia see Orgasmic dysfunction
• Anoscopy
• Anosmia see Smell - impaired
• Anovulatory bleeding see Dysfunctional uterine bleeding (DUB)
• Ansaid see Flurbiprofen overdose
• Ansaid
• Anterior
• Anterior and/or posterior colporrhaphy see Anterior vaginal wall repair
• Anterior and/or posterior vaginal wall repair see Anterior vaginal wall repair
• Anterior cruciate ligament (ACL) injury
• Anterior knee pain see Chondromalacia patellae
• Anterior knee pain
• Anterior spinal fusion see Spinal fusion
• Anterior tibia pain see Shin splints
• Anterior uveitis see Uveitis
• Anterior vaginal wall repair
• Anthrax
• Anthrax see Bacillus anthracis
• Anthrax - inhalation see Inhalation anthrax
• Anthrax - skin see Cutaneous anthrax
• Anthrax serology test see Serologic test for B. anthracis
• Antibiotic associated colitis see Pseudomembranous colitis
• Antibiotic sensitivity see Sensitivity analysis
• Antibiotics - colds and flu see Colds and flus - antibiotics
• Antibody
• Antibody test for anthrax see Serologic test for B. anthracis
• Antibody titer
• Antibody to human glomerular basement membrane see Anti-glomerular basement membrane
• Antidepressants - screen see Toxicology screen
• Antidiarrheal agent overdose
• Antidiuretic hormone see ADH
• Anti-DNase B
• Antifreeze
• Anti-gastric parietal cell antibodies see Antiparietal cells antibodies
• Antigen
• Anti-glomerular basement membrane
• Anti-glomerular basement membrane antibody disease see Goodpasture's syndrome
• Antihistamine see Phenindamine overdose
• Antihypertensives -Thiazide and related diuretics
• Anti-insulin antibody test
• Anti-microsomal antibody see Antithyroid microsomal antibody
• Antimitochondrial antibody
• Antinuclear antibody panel
• Anti-P antibody see Donath-Landsteiner test
• Antiparietal cells antibodies
• Anti-rust products
• Anti-smooth muscle antibody
• Antisocial personality disorder
• Anti-streptolysin O titer see ASO titer
• Antithrombin III
• Antithrombin III deficiency - congenital see Congenital antithrombin III deficiency
• Antithyroglobulin antibody
• Antithyroid microsomal antibody
• Anxiety see Stress and anxiety
• Anxiety disorder see Generalized anxiety disorder
• Anxiety in children see Stress in childhood
• Anxiety vs. stress see Stress vs. anxiety
• Aortic aneurysm - dissecting see Aortic dissection
• Aortic aneurysm - thoracic see Thoracic aortic aneurysm
• Aortic angiography
• Aortic arch syndrome
• Aortic coarctation see Coarctation of the aorta
• Aortic dissection
• Aortic insufficiency
• Aortic regurgitation see Aortic insufficiency
• Aortic stenosis
• Aortic valve prolapse see Aortic insufficiency
• Aortic valve stenosis see Aortic stenosis
• Aortography see Aortic angiography
• APCA see Antiparietal cells antibodies
• Apert syndrome
• APGAR
• Aphasia see Speech impairment (adult)
• Aphthous ulcer see Canker sores
• Aplastic
• Apnea see Breathing - slowed or stopped
• ApoB100 see Apolipoprotein B100
• ApoCII see Apolipoprotein CII
• Apolipoprotein B deficiency see Bassen-Kornzweig syndrome
• Apolipoprotein B100
• Apolipoprotein CII
• Apoplexy
• Apoprotein B100 see Apolipoprotein B100
• Apoprotein CII see Apolipoprotein CII
• Appendectomy
• Appendicitis
• Appendix removal see Appendectomy
• Appetite - decreased
• Appetite - increased
• Apprehension see Stress and anxiety
• Appropriate for gestational age (AGA)
• Apraxia see Inability to use objects and perform tasks
• Aprosencephaly with open cranium see Anencephaly
• APTT see Partial thromboplastin time (PTT)

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