Conditions A–Z
Plain-language reference entries for diseases, symptoms and tests.
a
- A-Th3
- A-fib
- A/P repair
- A1C
- AAT deficiency
- AAT or A1AT
- ABG
- ABO incompatibility
- ABPA
- ACE levels
- ACL (Anterior Cruciate Ligament) Injuries
- ACL injury
- ACL reconstruction
- ACTH
- ACTH (Cortrosyn) stimulation test
- ACTH suppression test
- ADD
- ADH
- ADH
- ADHD
- ADPKD
- AFB stain
- AFP
- AIDS
- AIDS
- AIDS / HIV
- AIDS-related complex - ARC
- ALP
- ALP (alkaline phosphatase) isoenzyme
- ALS
- ALT
- AMACR
- AMP
- ANA
- ANA panel
- APCA
- APGAR
- APTT
- ARDS (acute respiratory distress syndrome)
- ARF
- ASD
- ASD repair
- ASO titer
- AST
- AT III
- ATN
- AVP
- Aarskog syndrome
- Aase syndrome
- Aase-Smith syndrome
- Abacterial cystitis
- Abdomen - swollen
- Abdominal Adhesions
- Abdominal CT scan
- Abdominal MRI
- Abdominal X-ray
- Abdominal aortic aneurysm
- Abdominal arteriogram
- Abdominal birth
- Abdominal bloating
- Abdominal delivery
- Abdominal discomfort
- Abdominal distention
- Abdominal distress
- Abdominal exploration
- Abdominal film
- Abdominal fullness prematurely after meals
- Abdominal girth
- Abdominal hernia
- Abdominal hernia
- Abdominal hysterectomy
- Abdominal mass
- Abdominal pain
- Abdominal pain diagnosis
- Abdominal pain diagnosis
- Abdominal pregnancy
- Abdominal rigidity
- Abdominal sonogram
- Abdominal sounds
- Abdominal tap - paracentesis
- Abdominal thrusts
- Abdominal ultrasound
- Abdominal wall biopsy
- Abdominal wall defect repair
- Abdominal wall defects
- Abdominal wall defects - Lump in the abdomen
- Abdominal wall fat pad biopsy
- Abdominal wall fat pad biopsy
- Abdominal wall surgery
- Abdominoplasty
- Abducens palsy
- Ablatio placentae
- Abnormal heart rhythms
- Abnormal menstruation
- Abnormal posturing
- Abnormal tooth shape
- Abnormal uterine bleeding
- Abnormality of the urea cycle - hereditary
- Abortion
- Abortion (Termination Of Pregnancy)
- Abortion - complete
- Abortion - elective or therapeutic
- Abortion - elective or therapeutic
- Abortion - incomplete
- Abortion - inevitable
- Abortion - infected
- Abortion - spontaneous
- Abortion - threatened
- Abortion - threatened
- Abruptio placentae
- Abscess
- Abscess - Bartholin's
- Abscess - amebic liver
- Abscess - anorectal
- Abscess - areolar gland
- Abscess - areolar gland
- Abscess - brain
- Abscess - epidural
- Abscess - intra-abdominal
- Abscess - intra-abdominal
- Abscess - peritonsillar
- Abscess - skin
- Abscess - skin
- Abscess - spinal cord
- Abscess - tooth
- Abscess scan
- Abscess scan - radioactive
- Absence Seizures (Petit Mal Seizures)
- Absence of thirst
- Absence of thirst
- Absence seizure
- Absence seizure
- Absent menses
- Absent menses
- Absent periods
- Absent pulse
- Absent pulse
- Absolute eosinophil count
- Acanthamoeba keratitis
- Acanthosis nigricans
- Accelerated hypertension
- Accelerated hypertension
- Accelerated silicosis
- Accelerated silicosis
- Accelerating angina
- Accessory nipples
- Accidental hemorrhage
- Acetaminophen - serum
- Acetaminophen and codeine
- Acetaminophen overdose
- Acetaminophen overdose
- Acetomeroctol overdose
- Acetomorphine
- Acetone
- Acetone
- Acetone bodies
- Acetone bodies
- Acetyl-CoA alpha-glucosaminide N-acetyltransferase deficiency (Type IIIC)
- Acetyl-CoA alpha-glucosaminide N-acetyltransferase deficiency (Type IIIC)
- Acetylcholine receptor antibody
- Acetylcholinesterase
- Acetylcholinesterase
- Achalasia
- Achalasia
- Aches - leg
- Aches - leg
- Aches and pains in bones
- Aches and pains in bones
- Achilles tendinitis
- Achilles tendinitis
- Achilles tendonitis
- Acholic stools
- Acholic stools
- Achondrogenesis
- Achondroplasia
- Achromacria
- Acid fast bacilli stain
- Acid loading test (pH)
- Acid mucopolysaccharides
- Acid mucopolysaccharides
- Acid perfusion test
- Acid-fast stain
- Acidosis
- Acidosis - metabolic
- Acidosis - respiratory
- Acne
- Acne
- Acne -1
- Acne [1]
- Acne rosacea
- Acne rosacea
- Acne treatment for adults
- Acne vulgaris
- Acne-like skin bumps
- Acoustic Neuroma
- Acoustic neuroma
- Acoustic trauma
- Acquired (adaptive) immunity
- Acquired aplastic anemia
- Acquired aplastic anemia
- Acquired bronchiectasis
- Acquired disorders of platelet function
- Acquired disorders of platelet function
- Acquired immune deficiency syndrome
- Acquired immune deficiency syndrome
- Acquired nephrogenic diabetes insipidus
- Acquired nephrogenic diabetes insipidus
- Acquired platelet function defect
- Acquired qualitative platelet disorders
- Acquired qualitative platelet disorders
- Acrocephalosyndactyly
- Acrocephalosyndactyly
- Acrochordon
- Acrochordons
- Acrochordons
- Acrodermatitis
- Acrodermatitis
- Acrodermatitis - infantile lichenoid
- Acrodermatitis - infantile lichenoid
- Acrodermatitis - papular infantile
- Acrodermatitis - papular infantile
- Acrodysostosis
- Acrodysostosis
- Acrodysplasia
- Acrodysplasia
- Acromegaly
- Acting strangely
- Acting-out behaviors
- Actinic keratosis
- Actinic keratosis
- Actinic keratosis [1]
- Actinomycosis
- Actinomycosis pulmonary
- Actinomycosis pulmonary
- Activase thrombolytic agent
- Activase thrombolytic agent
- Activated partial thromboplastin time
- Activity - increased
- Actron
- Actron
- Acupressure and nausea
- Acupuncture and pain
- Acute
- Acute Bronchitis
- Acute HIV infection
- Acute MI
- Acute abdomen
- Acute acquired cytomegalovirus infection
- Acute adrenal crisis
- Acute adrenal insufficiency
- Acute adrenal insufficiency
- Acute arterial occlusion - kidney
- Acute bacterial tracheitis
- Acute bilateral obstructive uropathy
- Acute bladder infection
- Acute brain syndrome
- Acute bronchitis
- Acute bronchitis (1)
- Acute cerebellar ataxia
- Acute cerebellar ataxia of childhood
- Acute cholecystitis (Gallstones)
- Acute confusional state
- Acute gastritis
- Acute gastroenteritis
- Acute glaucoma
- Acute glomerulonephritis
- Acute gouty arthritis
- Acute granulocytic leukemia
- Acute idiopathic polyneuritis
- Acute inflammatory polyneuropathy
- Acute intermittent porphyria
- Acute interstitial nephritis not NSAID related
- Acute invasive aspergillosis
- Acute kidney failure
- Acute lymphocytic leukemia
- Acute mitral regurgitation
- Acute mountain sickness
- Acute myelogenous leukemia (AML) - adult
- Acute myeloid leukemia (AML)
- Acute necrotizing ulcerative gingivitis
- Acute nephritic syndrome
- 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
- Acute urinary tract infection (UTI)
- Adapin
- Addiction - A Whole New View
- Addiction - drug
- Addiction: Amphetamines
- Addiction: Caffeine
- Addiction: Cocaine
- Addiction: Hallucinogens
- Addictive gambling
- Addison's disease
- Addison's disease
- Addisonian crisis
- Additives in food
- Adenocarcinoma Of The Lung
- Adenocarcinoma Of The Lung
- Adenocarcinoma of the bronchus
- Adenocarcinoma of the endometrium/uterus
- Adenoid removal
- Adenoidectomy
- Adenoids - enlarged
- Adenoma - secreting
- Adenoma sebaceum
- Adenomyoma
- Adenomyosis
- Adenoviruses
- Adepril overdose
- Adhesion
- Adhesion
- Adhesive capsulitis
- Adipsia
- Adjustment disorder
- Adolescent depression
- Adolescent development
- Adolescent dysmenorrhea
- Adolescent pregnancy
- Adolescent pregnancy
- Adolescent test or procedure preparation
- Adrenal crisis
- Adrenal gland removal
- Adrenal glands
- Adrenal insufficiency
- Adrenal medullary imaging
- Adrenalectomy
- Adrenalin - blood
- Adrenergic bronchodilators overdose
- Adrenocortical carcinoma
- Adrenocortical hypofunction
- Adrenocorticotrophic hormone
- Adrenogenital syndrome
- Adrenoleukodystrophy
- Adult Still's disease
- Adult acne treatment
- Adult diapers
- Adult hypothyroidism
- Adult respiratory distress syndrome
- Adult-onset diabetes - Type 2 Diabetes Mellitus
- Adumbran
- Advanced care directives
- Advil
- Advil overdose
- Aero-otitis - Barotrauma
- Aerobic
- Aerobic bacteria
- Aflatoxin
- African trypanosomiasis
- African trypanosomiasis
- After shaves
- Agammaglobulinemia
- Agammaglobulinemia
- Age Spots (Solar Lentigo, Liver Spots)
- Age and exercise
- Age and impotence
- Age and weight loss
- Age spots
- Age-appropriate diet for children
- Age-appropriate diet for children
- Age-related hearing loss
- Age-related hearing loss
- Age-related hearing loss [1]
- Age-related macular degeneration
- Age-related macular degeneration (ARMD or AMD)
- Age-related vision change (presbyopia)
- Aggravated by
- Aging changes in body shape
- Aging changes in hair and nails
- Aging changes in hormone production
- Aging changes in immunity
- Aging changes in organs - tissue - cells
- Aging changes in skin
- Aging changes in skin
- Aging changes in sleep
- Aging changes in the bones - muscles - joints
- Aging changes in the breast
- Aging changes in the face
- Aging changes in the female reproductive system
- Aging changes in the female reproductive system
- Aging changes in the heart and blood vessels
- Aging changes in the heart and blood vessels
- Aging changes in the kidneys
- Aging changes in the lungs
- Aging changes in the male reproductive system
- Aging changes in the male reproductive system
- Aging changes in the nervous system
- Aging changes in the senses
- Aging changes in vital signs
- Aging spots - should you be concerned
- Agitation
- Agnogenic myeloid metaplasia
- Agoraphobia
- Agranulocytosis
- Aicardi syndrome
- Air around the lung
- Air embolus
- Air outside the lung
- Airway obstruction - acute upper
- Alanine transaminase
- Albinism
- Albright's hereditary osteodystrophy
- Albumin - serum
- Albumin - urine
- Albuminuria
- Alcaptonuria
- Alcohol Abuse
- Alcohol Withdrawal
- Alcohol Withdrawal
- Alcohol and diet
- Alcohol in pregnancy
- Alcohol test - breath
- Alcohol use
- Alcohol withdrawal - delirium tremens
- Alcohol withdrawal [1]
- Alcoholic cardiomyopathy
- Alcoholic encephalopathy
- Alcoholic ketoacidosis
- Alcoholic liver disease
- Alcoholic neuropathy
- Alcoholic polyneuropathy
- Aldolase
- Aldosterone
- Aldosterone - urine
- Alertness - decreased
- Aliseum
- Alka-Seltzer
- Alkalosis
- Alkalosis - respiratory
- Alkaptonuria
- Allergen
- Allergic bronchopulmonary aspergillosis
- Allergic conjunctivitis
- Allergic dermatitis
- Allergic reaction - drug (medication)
- Allergic reactions
- Allergic rhinitis
- Allergic vasculitis
- Allergies
- Allergies and genetics
- Allergy testing
- Allergy to food
- Allergy to mold - dander - dust
- Allergy-causing
- Allograft
- Alocasia
- Aloe
- Alopecia Areata
- Alopecia areata
- Alopecia totalis
- Alopecia universalis
- Alopent overdose
- Alpha fetoprotein
- Alpha-1 antitrypsin
- Alpha-1 antitrypsin deficiency
- Alpha-L-iduronate deficiency
- Alport syndrome
- Alstr?m syndrome
- Alteplase
- Altered mental status
- Alternative medicine - pain relief
- Altitude anoxia
- Altitude sickness
- Alupram
- Alveolar Hydatid Disease
- Alveolar abnormalities
- Alveolar proteinosis
- Alveolar rhabdomyosarcoma
- Alveolitis
- Alzheimer's Disease
- Alzheimer's disease
- Alzheimer's disease [1]
- Alzheimer's disease and iron
- Alzheimer's disease epidemic
- Amaurosis fugax
- Ambiguous genitalia
- Amblyopia
- Amblyopia - Lazy Eye
- Ambulatory electrocardiography
- Amebiasis
- Amebiasis
- Amebic dysentery
- Amebic liver abscess
- Amelogenesis imperfecta
- Amenorrhea
- Amenorrhea
- Amenorrhea - primary
- Amenorrhea - secondary
- American Nightshade
- American mountain fever
- American trypanosomiasis
- Amilon overdose
- Amino acids
- Amino acids - plasma
- Amino acids - urine
- Aminoaciduria
- Aminophylline/theophylline
- Amitriptyline - serum
- Amitriptyline and Perphenazine overdose
- Amitriptyline hydrochloride overdose
- Ammonia
- Ammonium hydroxide
- Ammonium ion
- Amnesia
- Amniocentesis
- Amniotic constriction bands
- Amniotic fluid
- Amphetamine or sympathomimetic intoxication
- Amputation - traumatic
- Amsler grid test
- Amylase - urine
- Amylase test
- Amyloid - primary
- Amyloidosis - cardiac
- Amyloidosis - cerebral
- Amyotrophic Lateral Sclerosis (ALS)
- Amyotrophic lateral sclerosis
- Anaerobe
- Anaerobic
- Anaerobic bacteria
- Anaerobic pneumonia
- Anal Disorders
- Anal abscess
- Anal atresia
- Anal fissure
- Analgesic nephropathy
- Analgesics
- Anaphylactic reaction
- Anaphylactic shock
- Anaphylactoid purpura
- Anaphylaxis
- Anaphylaxis
- Anaplastic carcinoma of the thyroid
- Anaplastic thyroid cancer
- Anasarca
- Anastomosis
- Ancylostoma braziliense
- Androblastoma
- Androgen insensitivity syndrome
- Andropause
- Anemia
- Anemia - B12 deficiency
- Anemia - Fanconi's
- Anemia - chronic disease
- 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 inflammation
- Anencephaly
- Anergy screen or panel
- Aneurysm
- Aneurysm - aortic
- Aneurysm - cerebral
- Aneurysm - thoracic aortic
- Aneurysm in the brain
- Angel Dust overdose
- Angel's trumpet
- Angina
- Angina - stable
- Angina - unstable
- Angina - variant
- Angina [1]
- Angina pectoris - stable
- Angio-osteohypertrophy
- Angiodysplasia of the colon
- Angioedema
- Angiogram
- Angiography
- Angiography - aorta
- Angiography - head;
- Angiography - heart
- Angiography - left heart
- Angiography - right heart
- Angiography/arteriography of the extremity
- Angioma - cherry
- Angioneurotic edema
- Angioplasty
- Angioplasty [1]
- Anhidrosis
- Anhidrotic ectodermal dysplasia
- Animal bites
- Anisocoria
- Ankle Fracture
- Ankle pain
- Ankle swelling
- Ankyloglossia
- Ankylosing Spondylitis
- Ankylosing spondylitis
- Annular pancreas
- Anorchia
- Anorectal abscess
- Anorectal malformation
- Anorectal malformation repair
- Anorexia Nervosa
- Anorexia nervosa [1]
- Anorgasmia
- Anoscopy
- Anosmia
- Ansaid
- Ansaid overdose
- Anterior
- Anterior Knee pain [1]
- Anterior and/or posterior colporrhaphy
- Anterior and/or posterior vaginal wall repair
- Anterior cruciate ligament (ACL) injury
- Anterior knee pain
- Anterior spinal fusion
- Anterior tibia pain
- Anterior uveitis
- Anterior vaginal wall repair
- Anthrax
- Anthrax
- Anthrax - inhalation
- Anthrax - skin
- Anthrax serology test
- Anti diarrheal agent overdose
- Anti-DNase B
- Anti-P antibody
- Anti-gastric parietal cell antibodies
- Anti-glomerular basement membrane
- Anti-glomerular basement membrane antibody disease
- Anti-insulin antibody test
- Anti-microsomal antibody
- Anti-reflux surgery
- Anti-rust products
- Anti-smooth muscle antibody
- Anti-streptolysin O titer
- Antibiotic associated colitis
- Antibiotic sensitivity
- Antibiotic-Associated Diarrhea
- Antibiotics - colds and flu
- Antibody
- Antibody test for anthrax
- Antibody titer
- Antibody to human glomerular basement membrane
- Antidiuretic hormone
- Antifreeze
- Antigen
- Antihistamine overdose
- Antihypertensives -Thiazide and related diuretics
- Antimitochondrial antibody
- Antinuclear antibody panel
- Antiparietal cells antibodies
- Antisocial personality disorder
- Antithrombin III
- Antithrombin III deficiency - congenital
- Antithyroglobulin antibody
- Antithyroid microsomal antibody
- Anxiety
- Anxiety disorder
- Anxiety in children
- Anxiety vs. stress
- Aortic aneurysm - dissecting
- Aortic aneurysm - thoracic
- Aortic angiography
- Aortic arch syndrome
- Aortic coarctation
- Aortic dissection
- Aortic insufficiency
- Aortic regurgitation
- Aortic stenosis
- Aortic valve prolapse
- Aortic valve stenosis
- Aortography
- Apert syndrome
- Aphasia
- Aphthous ulcer
- Aplastic
- Apnea
- Apnea -Breathing - slowed or stopped
- ApoB100
- ApoCII
- Apolipoprotein B100
- Apolipoprotein CII
- Apoplexy
- Apoprotein B100
- Apoprotein CII
- Appendectomy
- Appendicitis
- Appendicitis
- Appendix removal
- Appetite - decreased
- Appetite - increased
- Apprehension
- Appropriate Diet for Age
- Appropriate for gestational age (AGA)
- Apraxia
- Aprosencephaly with open cranium
- Aquarium granuloma
- Arachnodactyly
- Arachnoiditis
- Areolar gland abscess
- Arginine test
- Arginine vasopressin
- Arias syndrome (type II Crigler-Najjar)
- Arisaema triphyllum
- Arkless-Graham
- Arm Fracture
- Arm and leg movements - uncontrollable
- Armpit lump
- Arnold Pick's disease
- Arrhenoblastoma
- Arrhenoblastoma of ovary
- Arrhythmias
- Arterial embolism
- Arterial insufficiency
- Arterial insufficiency of the legs
- Arterial plethysmography
- Arterial stick
- Arteriogram
- Arteriogram - abdomen
- Arteriolar nephrosclerosis
- Arteriosclerosis
- Arteriosclerosis obliterans
- Arteriosclerosis of the extremities
- Arteriosclerotic heart disease
- Arteriovenous malformation - pulmonary
- Arteritis - temporal
- Arthralgia
- Arthritis
- Arthritis - osteoarthritis
- Arthritis - psoriatic
- Arthritis - rheumatoid
- Arthrodesis
- Arthroscopic lateral retinacular release
- Arthroscopy
- Articulation deficiency
- Artificial flavors and color
- Artificial kidneys
- Artificial pacemaker
- Artificial sphincter - rectal or urinary
- Arylsulfatase A deficiency
- Asbestos-related pleural effusion
- Asbestosis
- Ascariasis
- Ascites
- Aseptic meningitis
- Asherman's syndrome
- Asparaginic acid
- Aspartate aminotransferase
- Aspartic acid
- Aspartoacylase deficiency
- Asperger syndrome
- Aspergilloma
- Aspergillosis
- Aspergillosis - acute invasive
- Aspergillosis - allergic bronchopulmonary
- Aspergillosis precipitin
- Aspergillus antigen skin test
- Aspergillus immunodiffusion test
- Asphalt cement
- Aspiration
- Aspiration of vomitus
- Aspiration pneumonia
- Aspirin overdose
- Aspirin overdose
- Asthma
- Asthma
- Asthma - pediatric
- Astigmatism
- Astigmatism -2
- Asymptomatic
- Asymptomatic HIV infection
- Asymptomatic bacteriuria
- At risk for fetal alcohol syndrome
- Atarax overdose
- Ataxia
- Ataxia - telangiectasia
- Atelectasis
- Atensine
- Atheroemboli - renal
- Atheroembolic renal disease
- Atherosclerosis
- Atherosclerosis - aging
- Atherosclerosis [1]
- Atherosclerotic disease - renal
- Athetoid movements
- Athlete's Foot (Tinea Pedis)
- Athlete's foot
- Atopic eczema
- Atrial Fibrillation
- Atrial fibrillation/flutter
- Atrial myxoma - left
- Atrial myxoma - right
- Atrial septal defect
- Atrial septal defect repair
- Atrophic vaginitis
- Atrophy of the muscles
- Attention deficit hyperactivity disorder
- Attention deficit hyperactivity disorder (ADHD)
- Attention deficit hyperactivity disorder (ADHD)
- Attention span
- Attention-Deficit Hyperactivity Disorder (ADHD)
- Atypical mycobacterial infection
- Atypical pneumonia
- Audiography (audiogram)
- Audiology
- Audiometry
- Augmentation mentoplasty
- Aural polyps
- Auricular fibrillation
- Auscultation
- Autism
- Autistic behavior
- Autistic disorder/Autism spectrum
- Autoerythrocyte sensitivity
- Autograft
- Autoimmune hemolytic anemia
- Autoimmune hepatitis
- Autoimmune liver disease panel
- Autoimmune thyroiditis
- Autoinoculation
- Automated perimetry exam
- Automatic dishwasher soaps
- Automobile safety - teenage drivers
- Autonomic hyperreflexia
- Autonomic neuropathy
- Autosomal dominant
- Autosomal dominant polycystic kidney disease
- Autosomal recessive
- Avian flu
- Avian influenza
- Avoidant personality disorder
- Avoiding infectious diseases when traveling
- Axillary abscess
- Axillary lymphadenopathy
- Axillary lymphs enlarged
- Axillary nerve dysfunction
- Azotemia - prerenal