Diseases & Conditions
- A-fib
- A/B/D
- AA amyloidosis
- AAA
- Aarskog disease
- Aarskog syndrome
- Aarskog-Scott syndrome
- AAS
- Aase syndrome
- Aase-Smith syndrome
- AAT deficiency
- Abacterial cystitis
- Abdominal aortic aneurysm
- Abdominal pain - IBS
- Abdominal pain - volvulus
- Abdominal pain in children - intussusception
- Abdominal wall defect - infant
- Abdominal wall defect - infant
- Abdominal wall defect - neonate
- Abdominal wall defect - neonate
- Abdominal wall defect - newborn
- Abdominal wall defect - newborn
- Abducens palsy
- Abducens paralysis
- Abetalipoproteinemia
- Ablatio placentae
- Abnormal heart rhythm - PSVT
- Abnormal heart rhythm - VF
- Abnormal heart rhythm - WPW
- Abnormal heart rhythms
- Abnormal heartbeat
- Abnormal menstrual periods
- Abnormal uterine bleeding
- Abnormal uterine bleeding - hormonal
- Abnormal uterine bleeding-hormonal
- Abnormal vaginal bleeding
- Abnormal vaginal bleeding
- Abnormality of the urea cycle - hereditary
- ABO incompatibility
- ABO incompatibility - HDN
- Abortion - complete
- Abortion - incomplete
- Abortion - inevitable
- Abortion - infected
- Abortion - missed
- Abortion - spontaneous
- Abortion - threatened
- Abrasion - corneal
- Abruptio placentae
- ABS
- Abscess
- Abscess - abdomen or pelvis
- Abscess - amebic liver
- Abscess - anorectal
- Abscess - areolar gland
- Abscess - Bartholin
- Abscess - Bartholin's
- Abscess - brain
- Abscess - epidural
- Abscess - intra-abdominal
- Abscess - peritonsillar
- Abscess - skin
- Abscess - spinal cord
- Abscess - tooth
- Absence of periods - primary
- Absence of periods - secondary
- Absence seizure
- Absent menses - primary
- Absent menses - secondary
- Absent menstrual periods - primary
- Absent menstrual periods - secondary
- Absent periods - primary
- Absent periods - secondary
- Absent pulmonary valve
- Absent pulmonary valve syndrome
- Acanthamoeba keratitis
- Acanthocytosis
- Acanthosis nigricans
- ACC - adrenal
- Accelerated hypertension
- Accelerated hyperthyroidism
- Accelerated silicosis
- Accelerating angina
- Accelerating angina - ACS
- Accelerating angina-ACS
- ACD
- Achalasia
- Achilles tendinitis
- Achondrogenesis
- Achondroplasia
- Achondroplastic dwarfism
- Acidosis
- Acidosis - metabolic
- Acidosis - respiratory
- Acne
- Acne rosacea
- Acne vulgaris
- Acoustic neuroma
- Acoustic trauma
- Acquired apraxia
- Acquired bronchiectasis
- Acquired disorders of platelet function
- Acquired growth hormone deficiency
- Acquired immune deficiency syndrome
- Acquired immune deficiency syndrome - children
- Acquired immune deficiency syndrome: HIV-1
- Acquired nephrogenic diabetes insipidus
- Acquired platelet function defect
- Acquired qualitative platelet disorders
- Acral lentiginous melanoma
- Acral vesicular dermatitis
- Acrocephalosyndactyly
- Acrochordon
- Acrodermatitis - infantile lichenoid
- Acrodermatitis - papular infantile
- Acrodermatitis enteropathica
- Acrodysostosis
- Acrodysplasia
- Acromegaly
- ACTH-secreting adenoma
- Actinic keratosis
- Actinomycosis
- Actinomycosis - pulmonary
- Actinomycosis - thoracic
- Acute abdomen
- Acute adrenal crisis
- Acute adrenal insufficiency
- Acute arterial occlusion - kidney
- Acute back pain
- Acute bacterial cystitis
- Acute bacterial tracheitis
- Acute bladder infection
- Acute brain syndrome
- Acute bronchitis
- Acute bullous disorder - erythema multiforme
- Acute cerebellar ataxia
- Acute childhood leukemia
- Acute cholecystitis
- Acute colonic ileus
- Acute confusional state
- Acute coronary syndrome
- Acute CPPD arthritis
- Acute CPPD crystal-associated arthritis
- Acute flaccid myelitis
- Acute flaccid paralysis
- Acute flaccid paralysis with anterior myelitis
- Acute gastroenteritis
- Acute glaucoma
- Acute glomerulonephritis
- Acute gout
- Acute gouty arthritis
- Acute granulocytic leukemia
- Acute granulocytic leukemia - children
- Acute hemolytic transfusion reaction
- Acute hydronephrosis
- Acute idiopathic polyneuritis
- Acute increased intracranial pressure
- Acute inflammatory demyelinating polyneuropathy
- Acute inflammatory demyelinating polyradiculoneuropathy
- Acute inflammatory polyneuropathy
- Acute intermittent porphyria
- Acute interstitial (allergic) nephritis
- Acute kidney failure
- Acute lung injury
- Acute lymphoblastic leukemia
- Acute lymphoblastic leukemia (ALL)
- Acute lymphocytic leukemia
- Acute lymphoid leukemia
- Acute MI
- Acute MI - ACS
- Acute MI-ACS
- Acute mountain sickness
- Acute myeloblastic leukemia - children
- Acute myelogenous leukemia
- Acute myelogenous leukemia (AML) - children
- Acute myelogenous leukemia - children
- Acute myeloid leukemia (AML) - children
- Acute myeloid leukemia - adult
- Acute necrotizing ulcerative gingivitis
- Acute necrotizing ulcerative gingivitis (ANUG)
- Acute nephritic syndrome
- Acute non-lymphocytic leukemia (ANLL) - children
- Acute nonlymphocytic leukemia (ANLL)
- Acute pancreatitis
- Acute pancreatitis - chronic
- Acute prostatitis
- Acute renal arterial thrombosis
- Acute renal artery occlusion
- Acute renal failure - prerenal azotemia
- Acute respiratory distress syndrome
- Acute rheumatic fever
- Acute silicosis
- Acute sinusitis
- Acute transverse myelitis
- Acute tubular necrosis
- Acute/chronic CPPD arthritis
- ADD
- Addiction - drug
- Addictive gambling
- Addison anemia
- Addison disease
- Addisonian crisis
- Adenocarcinoma - colon
- Adenocarcinoma - endometrium
- Adenocarcinoma - lung
- Adenocarcinoma - uterus
- Adenocarcinoma of renal cells
- Adenocarcinoma of the stomach
- Adenoids - enlarged
- Adenoma - secreting
- Adenoma sebaceum
- Adenomatous polyps
- Adenomyoma
- Adenomyosis
- Adenosarcoma - uterine
- ADHD
- Adhesion
- Adhesive capsulitis
- Adjustment disorder
- ADPKD
- Adrenal crisis
- Adrenal tumor - Cushing syndrome
- Adrenocortical carcinoma
- Adrenocortical hypofunction
- Adrenogenital syndrome
- Adrenoleukodystrophy
- Adrenomyeloneuropathy
- ADTKD
- Adult hypothyroidism
- Adult soft tissue sarcoma
- Adult Still disease
- Adult-onset diabetes
- Adult-onset Still's disease
- AED - childhood epilepsy
- Afib
- Afibrinogenemia
- AFM
- Agammaglobulinemia
- Agammaglobulinemia - IgA deficiency
- Agammaglobulinemia - immunodeficiency
- Age spots
- Age-related cataract
- Age-related hearing loss
- Age-related macular degeneration
- Age-related macular degeneration (ARMD)
- Agenesis of corpus callosum with chorioretinal abnormality
- Agenesis of corpus callosum with infantile spasms and ocular abnormalities
- Agnogenic myeloid metaplasia
- Agoraphobia
- Agranulocytosis
- AGUS - dysplasia
- AHTR
- AI
- AI - aortic insufficiency
- Aicardi syndrome
- AIDS - Kaposi
- Air around the lung
- Air leak syndrome
- Air outside the lung
- Airway obstruction - acute upper
- Akathisia
- AKU
- Albinism
- Albright hereditary osteodystrophy
- Albright's hereditary osteodystrophy
- ALCAPA
- ALCAPA syndrome
- Alcaptonuria
- Alcaptonuric ochronosis
- Alcohol abuse
- Alcohol abuse - delirium tremens
- Alcohol abuse - fetal alcohol
- Alcohol addiction
- Alcohol dependence
- Alcohol in pregnancy
- Alcohol use - alcoholic ketoacidosis
- Alcohol use - ascites
- Alcohol use - Wernicke
- Alcohol use disorder
- Alcohol withdrawal
- Alcohol withdrawal - delirium tremens
- Alcohol withdrawal delirium
- Alcohol-related birth defects
- Alcoholic cardiomyopathy
- Alcoholic encephalopathy
- Alcoholic hepatitis - varices
- Alcoholic ketoacidosis
- Alcoholic liver disease
- Alcoholic liver disease - varices
- Alcoholic neuropathy
- Alcoholic polyneuropathy
- Alcoholism - alcohol use
- Alcoholism - fetal alcohol
- Alcoholism - Wernicke
- ALD
- Alexander disease
- Alkalosis
- Alkalosis - respiratory
- Alkaptonuria
- ALL
- Allergic conjunctivitis
- Allergic conjunctivitis
- Allergic dermatitis
- Allergic reaction - anaphylaxis
- Allergic reaction - angioedema
- Allergic reaction - drug (medication)
- Allergic reaction - serum sickness
- Allergic rhinitis
- Allergic vasculitis
- Allergies
- Allergies - allergic rhinitis
- Allergy - allergens
- Allergy - allergic rhinitis
- Allergy - allergies
- Allergy - serum sickness
- Allergy to food
- Allogeneic transplant - GVHD
- Alopecia areata
- Alopecia in men
- Alopecia in women
- Alopecia totalis
- Alopecia universalis
- Alpha thalassemia
- Alpha-1 antitrypsin deficiency
- Alpha-1 protease deficiency
- Alpha-L-iduronate deficiency
- Alport syndrome
- ALS
- Alstrom syndrome
- Alström syndrome
- ALTE
- Altitude anoxia
- Altitude sickness
- Alveolar abnormalities
- Alveolar cyst disease
- Alveolar lipoproteinosis phospholipidosis
- Alveolar proteinosis
- Alveolar rhabdomyosarcoma
- Alveolitis
- Alzheimer disease
- Alzheimer disease - dementia
- Amaurosis fugax
- Amblyopia
- AMD
- Amebiasis
- Amebic colitis
- Amebic dysentery
- Amebic liver abscess
- Amelogenesis imperfecta
- Amenorrhea - secondary
- American mountain fever
- American trypanosomiasis
- AML
- AML - children
- Amniotic band sequence
- Amniotic band syndrome
- Amniotic constriction bands
- Amyloid - primary
- Amyloidosis - cardiac
- Amyloidosis - cerebral
- Amyloidosis - hereditary
- Amyloidosis - primary
- Amyloidosis - secondary systemic
- Amyotrophic lateral sclerosis (ALS)
- Amyotrophic lateral sclerosis - supranuclear ophthalmoplegia
- AN
- Anaerobic pneumonia
- Anal abscess
- Anal atresia
- Anal cancer
- Anal fissure
- anal gland abscess
- Anal ulcer
- Analgesic nephropathy
- Anaphylactic reaction
- Anaphylactic shock
- Anaphylactoid purpura
- Anaphylaxis
- Anaplastic carcinoma of the thyroid
- Anaplastic large cell lymphoma
- Anaplastic thyroid cancer
- Anaplastic thyroid carcinoma
- Ancylostoma braziliensis
- Ancylostoma caninum
- Ancylostoma duodenale infection
- Androblastoma
- Androgen insensitivity syndrome
- Androgen insensitivity syndrome - partial
- Androgenetic alopecia
- Androgenetic alopecia in women
- Anejaculation
- Anemia
- Anemia - atrophic gastritis
- Anemia - Fanconi's
- Anemia - HDN
- Anemia - hemolytic
- Anemia - hemolytic - caused by chemicals or toxins
- Anemia - hemolytic due to G6PD deficiency
- Anemia - IF
- Anemia - immune hemolytic
- Anemia - immune hemolytic - secondary to drugs
- Anemia - intrinsic factor
- Anemia - iron deficiency
- Anemia - iron deficiency - children
- Anemia - iron deficiency - infants and toddlers
- Anemia - iron deficiency - children
- Anemia - iron deficiency - infants and toddlers
- Anemia - sickle cell
- Anemia caused by low iron - children
- Anemia caused by low iron - infants and toddlers
- Anemia of chronic disease
- Anemia of inflammation
- Anencephaly
- Aneurysm
- Aneurysm - aortic
- Aneurysm - cerebral
- Aneurysm - intracranial
- Aneurysm - mesenteric artery
- Aneurysm - popliteal artery
- Aneurysm - splenic artery
- Aneurysm - thoracic aortic
- Aneurysm in the brain
- Angelman syndrome
- Angiitis
- Angina
- Angina - chronic
- Angina - stable
- Angina - unstable
- Angina - unstable-ACS
- Angina - variant
- Angina pectoris
- Angio-osteohypertrophy
- Angiodysplasia of the colon
- Angioedema
- Angioedema
- Angiofibroma - juvenile
- Angioma - cherry
- Angioma cavernosum
- Angioneurotic edema
- Angiosarcoma
- Angle tumor
- Angle-closure glaucoma
- Anhidrotic ectodermal dysplasia
- Animal bite - rabies
- Ankle arthroscopy
- Ankle surgery
- Ankyloglossia
- Ankylosing spondylitis
- Annular pancreas
- Anomalous left coronary artery from the pulmonary artery
- Anomalous origin of the left coronary artery arising from the pulmonary artery
- Anondontia
- Anorchia
- Anorectal abscess
- Anorectal fissure
- Anorectal malformation
- Anorexia
- Anovulatory bleeding
- Anoxic encephalopathy
- Anterior knee pain
- Anterior myelitis
- Anterior uveitis
- Anthrax
- Anthrosilicosis
- Anti-glomerular basement membrane antibody disease
- Anti-glomerular basement membrane disease
- Antibiotic-associated colitis
- Anticardiolipin antibodies
- Anticonvulsant - childhood epilepsy
- Antiepileptic drug - childhood epilepsy
- Antiglomerular basement membrane antibody disease
- Antiphospholipid syndrome - APS
- Antipsychotic drugs - tardive dyskinesia
- Antipsychotics - extrapyramidal
- Antisocial personality disorder
- Antithrombin III deficiency - congenital
- Antivirals - hepatitis B children
- Antivirals - hepatitis C children
- Anxiety attacks
- Anxiety disorder
- Anxiety disorder - agoraphobia
- Anxiety disorder - children
- Anxiety disorder - panic attacks
- Anxiety disorder - phobia
- Anxiety disorder - social
- Anxiety disorder- agoraphobia
- AOCD
- AOP
- Aortic aneurysm - dissecting
- Aortic aneurysm - Marfan
- Aortic aneurysm - thoracic
- Aortic arch anomaly
- Aortic arch syndrome
- Aortic coarctation
- Aortic dissection
- Aortic insufficiency
- Aortic regurgitation
- Aortic stenosis
- Aortic valve prolapse
- Aortic valve stenosis
- Aortopulmonary fenestration
- Aortopulmonary septal defect
- Aortopulmonary window
- AOSD
- Apert syndrome
- Aphthous ulcer
- Aplastic anemia
- Apnea - neonatal
- Apnea - newborns
- Apnea - obstructive sleep apnea syndrome
- Apnea - obstructive sleep apnea syndrome - adults
- Apnea - pediatric sleep apnea syndrome
- Apnea of prematurity
- Apolipoprotein B deficiency
- Apoplexy
- Apparent life-threatening event
- Appendicitis
- Apraxia
- Apraxia of speech
- Aprosencephaly with open cranium
- Aquarium granuloma
- ARDS
- Areolar gland abscess
- ARF
- Argentaffinoma syndrome
- Arias syndrome (type II Crigler-Najjar)
- Arkless-Graham
- Arnold Pick disease
- Arrhenoblastoma
- Arrhythmia
- Arrhythmia - cardiac arrest
- Arrhythmia - PSVT
- Arrhythmia - VF
- Arrhythmia - WPW
- Arrhythmias
- ARSA deficiency
- Arterial embolism
- Arterial insufficiency
- Arterial insufficiency of the legs
- Arterial spiders
- Arteriolar nephrosclerosis
- Arteriosclerosis
- Arteriosclerosis obliterans
- Arteriosclerotic heart disease
- Arteriovenous hemangioma
- Arteriovenous malformation - pulmonary
- Arteritis
- Arteritis - temporal
- Arthritis
- Arthritis - neck
- Arthritis - osteoarthritis
- Arthritis - psoriatic
- Arthritis - rheumatoid
- Arthroscopy - ankle
- Articulation deficiency
- Articulation disorder
- Articulation disorder
- Arylsulfatase A deficiency
- As and Bs
- Asbestosis
- Ascariasis
- Ascending paralysis
- Ascites
- Ascites - cirrhosis
- Ascites - peritonitis
- ASCUS - dysplasia
- Aseptic necrosis
- ASH
- Asherman syndrome
- Aspartoacylase deficiency
- Asperger syndrome
- Aspergilloma
- Aspergillosis
- Aspergillosis - pulmonary aspergilloma
- Aspergillus infection
- Aspiration of vomitus
- Aspiration pneumonia
- Aspiration pneumonia - chemical
- Aspiration pneumonitis
- Asteatotic eczema
- Asthma
- Asthma - occupational exposure
- Asthma - pediatric
- Asthma in children
- 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
- Atherosclerosis - mesenteric artery
- Atherosclerosis - small intestine
- Atherosclerotic disease - renal
- Athlete's foot
- ATN
- Atopic dermatitis
- Atopic dermatitis - lichen simplex chronicus
- Atopic keratoconjunctivitis
- Atrial fibrillation or flutter
- Atrial myxoma
- Atrial septal defect (ASD)
- Atrioventricular (AV) canal defect
- Atrioventricular septal defect
- Atrophic vaginitis
- ATRT - children
- Attention deficit hyperactivity disorder
- Attention seeking - histrionic personality disorder
- Attenuated MPS I
- Atypical glandular cells - dysplasia
- Atypical Parkinson disease
- Atypical Parkinson’s disease
- Atypical pneumonia
- Atypical squamous cells - dysplasia
- Aural polyps
- Auricular fibrillation
- Autism
- Autism spectrum disorder
- Autism spectrum disorder - Asperger syndrome
- Autism spectrum disorder - childhood disintegrative disorder
- Autistic disorder
- Autistic spectrum disorder
- Autistic spectrum disorder - Asperger
- Autoerythrocyte sensitivity
- Autoimmune - ITP
- Autoimmune disorder - vitiligo
- Autoimmune disorders
- Autoimmune hemolytic anemia (AIHA)
- Autoimmune hepatitis
- Autoimmune thyroiditis
- Autonomic crises - familial dysautonomia
- Autonomic dysreflexia
- Autonomic hyperreflexia
- Autonomic nerve disease
- Autonomic neuropathy
- Autosomal dominant polycystic kidney disease
- Autosomal dominant tubulointerstitial kidney disease
- Autosomal recessive congenital ichthyosis - lamellar ichthyosis type
- AV Block
- Avascular necrosis
- Avian influenza
- Avian influenza A (HPAI) H5
- AVM - cerebral
- AVN
- Avoidant personality disorder
- AVSD
- Axillary nerve dysfunction
- Azotemia - prerenal