Disease Reference Index - A

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• X
• Y
• Z

• 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
• Miscarriage - 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
• Acute colonic ileus
• Acute confusional state
• Acute cytomegalovirus (CMV) infection
• Acute gastritis
• Acute gastroenteritis
• Acute glomerulonephritis
• Gout
• 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 myeloid leukemia
• Acute myeloid leukemia (AML)
• 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
• Addisonian crisis
• Addison’s disease
• Adenocarcinoma of renal cells
• Adenocarcinoma of the bronchus
• 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
• 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
• Albinism
• Albright's hereditary osteodystrophy
• Alcaptonuria
• 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
• 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 - animal 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 constriction bands
• Amphetamine intoxication
• Amyloid - primary
• Amyloidosis - cardiac
• Amyloidosis - cerebral
• Amyloidosis - hereditary
• 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
• 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
• Anemia - immune hemolytic
• Anemia - immune hemolytic - secondary to drugs
• Anemia - iron deficiency
• Anemia - iron deficiency - children
• Anemia - megaloblastic
• Anemia - secondary aplastic
• Anemia - sickle cell
• Anemia of chronic disease
• Anemia of inflammation
• Anencephaly
• Aneurysm
• Aneurysm - aortic
• Aneurysm - cerebral
• Aneurysm - thoracic aortic
• Aneurysm in the brain
• Angina
• Angina - chronic
• Angina - stable
• Angina - unstable
• Angina - variant
• Angina pectoris
• Angio-osteohypertrophy
• Angiodysplasia of the colon
• Angioedema
• Angiofibroma - juvenile
• Angioma - cherry
• Angioma cavernosum
• Angioneurotic edema
• Angle tumor
• Anhidrotic ectodermal dysplasia
• Ankyloglossia
• Ankylosing spondylitis
• Annular pancreas
• Anorchia
• Anorectal abscess
• Anorectal malformation
• Anorexia nervosa
• Anovulatory bleeding
• Anterior knee pain
• Anterior uveitis
• Anthrax
• Anthrax - inhalation
• Anthrax - skin
• Anti-glomerular basement membrane antibody disease
• Antibiotic associated colitis
• Antisocial personality disorder
• Antithrombin III deficiency - congenital
• Anxiety disorder
• AOP
• Aortic aneurysm - dissecting
• Aortic aneurysm - thoracic
• Aortic arch syndrome
• Aortic coarctation
• Aortic dissection
• Aortic insufficiency
• Aortic regurgitation
• Aortic stenosis
• Aortic valve prolapse
• Aortic valve stenosis
• AOSD
• Apert syndrome
• Aphasia - primary progressive
• Aphthous ulcer
• Apnea - newborns
• Apnea - sleep apnea syndrome
• Apnea of prematurity
• Apolipoprotein B deficiency
• Apoplexy
• Appendicitis
• Aprosencephaly with open cranium
• Aquarium granuloma
• Acute respiratory distress syndrome
• Areolar gland abscess
• ARF
• Arias syndrome (type II Crigler-Najjar)
• Arkless-Graham
• Arnold Pick's disease
• Arrhenoblastoma
• Arrhenoblastoma of ovary
• Arrhythmias
• Arterial embolism
• Arterial insufficiency
• Arteriolar nephrosclerosis
• Arteriosclerosis
• Arteriosclerosis obliterans
• Peripheral artery disease - legs
• Arteriosclerotic heart disease
• Arteriovenous malformation - cerebral
• Arteriovenous malformation - pulmonary
• Arteritis - temporal
• Arthritis
• Arthritis - neck
• Arthritis - osteoarthritis
• Arthritis - psoriatic
• Arthritis - rheumatoid
• Articulation deficiency
• Arylsulfatase A deficiency
• As and Bs
• Asbestos-related pleural effusion
• Asbestosis
• Ascariasis
• Ascites
• ASD
• Aseptic meningitis
• Osteonecrosis
• ASH
• Asherman syndrome
• Aspartoacylase deficiency
• Asperger syndrome
• Aspergilloma
• Aspergillosis
• Aspergillosis - acute invasive
• Aspergillosis - allergic bronchopulmonary
• Aspiration of vomitus
• Aspiration pneumonia
• Aspiration pneumonitis
• Asthma
• Asthma - occupational exposure
• Asthma - pediatric
• Astigmatism
• Astrocytoma - adults
• Astrocytoma - children
• Asymmetric septal hypertrophy
• Asymptomatic bacteriuria
• Asymptomatic HIV infection
• Ataxia - acute cerebellar
• Ataxia - telangiectasia
• Atelectasis
• Atheroemboli - renal
• Atheroembolic renal disease
• Atherosclerosis
• Atherosclerotic disease - renal
• Athlete's foot
• ATN
• Atopic eczema
• Atresia - pulmonary
• Atrial fibrillation/flutter
• Atrial myxoma
• Atrial septal defect
• Atrophic vaginitis
• Attention deficit hyperactivity disorder (ADHD)
• Atypical mycobacterial infection
• Atypical pneumonia
• Aural polyps
• Auricular fibrillation
• Autism
• Autoerythrocyte sensitivity
• Autoimmune disorders
• Autoimmune hemolytic anemia
• Autoimmune hepatitis
• Autoimmune thyroiditis
• Autonomic hyperreflexia
• Autonomic neuropathy
• Autosomal dominant polycystic kidney disease
• Avascular necrosis
• Avian influenza
• AVM - cerebral
• AVN
• Avoidant personality disorder
• Axillary nerve dysfunction
• Azotemia - prerenal

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