A-fib

Aarskog syndrome

Aase syndrome

Aase-Smith syndrome

AAT deficiency

Abacterial cystitis

Abdominal aortic aneurysm

Abdominal pregnancy

Abducens palsy

Abetalipoproteinemia

Ablatio placentae

Abnormal heart rhythms

Abnormality of the urea cycle - hereditary

ABO incompatibility

Abortion - complete

Abortion - elective or therapeutic

Abortion - incomplete

Abortion - inevitable

Abortion - infected

Abortion - spontaneous

Abortion - threatened

ABPA

Abruptio placentae

Abscess

Abscess - amebic liver

Abscess - anorectal

Abscess - areolar gland

Abscess - Bartholin's

Abscess - brain

Abscess - epidural

Abscess - intra-abdominal

Abscess - peritonsillar

Abscess - skin

Abscess - spinal cord

Abscess - tooth

Absence seizure

Absent menses

Absent periods

Acanthamoeba keratitis

Acanthocytosis

Acanthosis nigricans

Accelerated hypertension

Accelerated silicosis

Accelerating angina

Achalasia

Achilles tendinitis

Achondrogenesis

Achondroplasia

Acidosis

Acidosis - metabolic

Acidosis - respiratory

Acne

Acne rosacea

Acne vulgaris

Acoustic neuroma

Acoustic trauma

Acquired aplastic anemia

Acquired bronchiectasis

Acquired disorders of platelet function

Acquired immune deficiency syndrome

Acquired nephrogenic diabetes insipidus

Acquired platelet function defect

Acquired qualitative platelet disorders

Acrocephalosyndactyly

Acrochordons

Acrodermatitis

Acrodermatitis - infantile lichenoid

Acrodermatitis - papular infantile

Acrodysostosis

Acrodysplasia

Acromegaly

Actinic keratosis

Actinomycosis

Actinomycosis pulmonary

Acute abdomen

Acute adrenal crisis

Acute adrenal insufficiency

Acute arterial occlusion - kidney

Acute bacterial tracheitis

Acute bilateral obstructive uropathy

Acute bladder infection

Acute brain syndrome

Acute bronchitis

Acute cerebellar ataxia

Acute childhood leukemia

Acute cholecystitis (Gallstones)

Acute colonic ileus

Acute confusional state

Acute cytomegalovirus (CMV) infection

Acute gastritis

Acute gastroenteritis

Acute glomerulonephritis

Acute gouty arthritis

Acute granulocytic leukemia

Acute HIV infection

Acute idiopathic polyneuritis

Acute inflammatory polyneuropathy

Acute intermittent porphyria

Acute interstitial (allergic) nephritis

Acute interstitial nephritis not NSAID related

Acute kidney failure

Acute lung injury

Acute lymphocytic leukemia (ALL)

Acute MI

Acute mitral regurgitation

Acute mountain sickness

Acute myelogenous leukemia

Acute myeloid leukemia

Acute necrotizing ulcerative gingivitis

Acute nephritic syndrome

Acute nonlymphocytic leukemia (ANLL)

Acute pancreatitis

Acute renal arterial thrombosis

Acute renal artery occlusion

Acute respiratory distress syndrome

Acute retroviral syndrome

Acute rheumatic fever

Acute silicosis

Acute sinusitis

Acute tubular necrosis

Acute unilateral obstructive uropathy

Acute upper airway obstruction

Acute urethral obstruction

ADD

Addiction - drug

Addictive gambling

Addison disease

Addison’s disease

Addisonian crisis

Adenocarcinoma of renal cells

Adenocarcinoma of the endometrium/uterus

Adenoids - enlarged

Adenoma - secreting

Adenoma sebaceum

Adenomyoma

Adenomyosis

ADHD

Adhesion

Adhesive capsulitis

Adjustment disorder

Adolescent depression

Adolescent dysmenorrhea

Adolescent pregnancy

ADPKD

Adrenal crisis

Adrenal tumor - Cushing syndrome

Adrenocortical carcinoma

Adrenocortical hypofunction

Adrenogenital syndrome

Adrenoleukodystrophy

Adrenoleukodystrophy

Adrenomyeloneuropathy

Adult hypothyroidism

Adult respiratory distress syndrome

Adult Still's disease

African trypanosomiasis

Agammaglobulinemia

Age spots

Age-related hearing loss

Age-related macular degeneration (ARMD or AMD)

Agnogenic myeloid metaplasia

Agoraphobia

Agranulocytosis

Aicardi syndrome

AIDS

AIDS-related complex - ARC

Air around the lung

Air outside the lung

Airway obstruction - acute upper

AKU

Albinism

Albright's hereditary osteodystrophy

Alcaptonuria

Alcaptonuric ochronosis

Alcohol abuse

Alcohol dependence

Alcohol in pregnancy

Alcohol withdrawal

Alcohol withdrawal - delirium tremens

Alcoholic cardiomyopathy

Alcoholic encephalopathy

Alcoholic ketoacidosis

Alcoholic liver disease

Alcoholic neuropathy

Alcoholic polyneuropathy

Alcoholism

ALD

Alkalosis

Alkalosis - respiratory

Alkaptonuria

ALL

Allergic bronchopulmonary aspergillosis

Allergic conjunctivitis

Allergic dermatitis

Allergic reaction - drug (medication)

Allergic rhinitis

Allergic vasculitis

Allergies

Allergy to food

Allergy to mold - dander - dust

Alopecia areata

Alopecia in men

Alopecia in women

Alopecia totalis

Alopecia universalis

Alpha-1 antitrypsin deficiency

Alpha-L-iduronate deficiency

Alport syndrome

ALS

Alström syndrome

Altitude anoxia

Altitude sickness

Alveolar abnormalities

Alveolar proteinosis

Alveolar rhabdomyosarcoma

Alveolitis

Alzheimer’s disease

Amaurosis fugax

Amblyopia

Amebiasis

Amebic dysentery

Amebic liver abscess

Amelogenesis imperfecta

Amenorrhea - primary

Amenorrhea - secondary

American mountain fever

American trypanosomiasis

AML

Amniotic band sequence

Amniotic constriction bands

Amphetamine intoxication

Amyloid - primary

Amyloidosis - cardiac

Amyloidosis - cerebral

Amyloidosis - hereditary

Amyloidosis - secondary systemic

Amyloidosis - senile

Amyotrophic lateral sclerosis

Anaerobic pneumonia

Anal abscess

Anal atresia

Anal fissure

Analgesic nephropathy

Anaphylactic reaction

Anaphylactic shock

Anaphylactoid purpura

Anaphylaxis

Anaplastic carcinoma of the thyroid

Anaplastic thyroid cancer

Ancylostoma braziliense

Androblastoma

Androgen insensitivity syndrome

Androgenetic alopecia

Androgenic alopecia in women

Anemia

Anemia - B12 deficiency

Anemia - Fanconi's

Anemia - hemolytic

Anemia - hemolytic - caused by chemicals or toxins

Anemia - hemolytic due to G6PD deficiency

Anemia - idiopathic aplastic

Anemia - idiopathic autoimmune hemolytic