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- Surgery and Procedures
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Disease
- Aarskog syndrome
- Aase syndrome
- Abdominal aortic aneurysm
- ABO incompatibility
- Abscess
- Absent pulmonary valve
- Acanthosis nigricans
- Achalasia
- Achilles tendinitis
- Achondrogenesis
- Achondroplasia
- Acidosis
- Acne
- Acoustic neuroma
- Acoustic trauma
- Acquired platelet function defect
- Acrodermatitis
- Acrodysostosis
- Acromegaly
- Actinic keratosis
- Actinomycosis
- Acute adrenal crisis
- Acute arterial occlusion - kidney
- Acute bilateral obstructive uropathy
- Acute cerebellar ataxia
- Acute cholecystitis
- Acute cytomegalovirus (CMV) infection
- Acute HIV infection
- Acute interstitial nephritis not NSAID related
- Acute kidney failure
- Acute lymphocytic leukemia (ALL)
- Acute mountain sickness
- Acute myeloid leukemia
- Acute nephritic syndrome
- Acute pancreatitis
- Acute respiratory distress syndrome
- Acute tubular necrosis
- Acute unilateral obstructive uropathy
- Acute upper airway obstruction
- Addison's disease
- Adenomyosis
- Adhesion
- Adjustment disorder
- Adolescent depression
- Adolescent pregnancy
- Adrenocortical carcinoma
- Adrenoleukodystrophy
- Adult Still's disease
- Agammaglobulinemia
- Age-related hearing loss
- Agoraphobia
- Agranulocytosis
- Aicardi syndrome
- AIDS
- Albinism
- Alcohol withdrawal
- Alcoholic ketoacidosis
- Alcoholic liver disease
- Alcoholic neuropathy
- Alcoholism and alcohol abuse
- Alkalosis
- Alkaptonuria
- Allergic conjunctivitis
- Allergic rhinitis
- Allergic vasculitis
- Allergies
- Allergy to mold - animal dander - dust
- Alopecia areata
- Alpha-1 antitrypsin deficiency
- Alport syndrome
- Alström syndrome
- Alveolar abnormalities
- Alzheimer's disease
- Amaurosis fugax
- Amblyopia
- Amebiasis
- Amebic liver abscess
- Amelogenesis imperfecta
- Amenorrhea - primary
- Amniotic constriction bands
- Amphetamine intoxication
- Amyotrophic lateral sclerosis
- Anal fissure
- Analgesic nephropathy
- Anaphylaxis
- Anaplastic thyroid cancer
- Androgen insensitivity syndrome
- Anemia
- Anemia - B12 deficiency
- Anemia of chronic disease
- Anencephaly
- Aneurysm
- Aneurysm in the brain
- Angina
- Angiodysplasia of the colon
- Angioedema
- Ankylosing spondylitis
- Annular pancreas
- Anomalous left coronary artery from the pulmonary artery
- Anorchia
- Anorectal abscess
- Anorexia nervosa
- Anthrax
- Antisocial personality disorder
- Aortic arch syndrome
- Aortic dissection
- Aortic insufficiency
- Aortic stenosis
- Aortopulmonary window
- Apert syndrome
- Apnea of prematurity
- Apoplexy
- Appendicitis
- Apraxia
- Arrhenoblastoma of ovary
- Arrhythmias
- Arterial embolism
- Arterial insufficiency
- Arteriovenous malformation - cerebral
- Arthritis
- Asbestos-related pleural effusion
- Asbestosis
- Ascariasis
- Ascites
- Aseptic meningitis
- Asherman syndrome
- Asperger syndrome
- Aspergillosis
- Aspiration pneumonia
- Asthma
- Asthma - pediatric
- Astigmatism
- Asymptomatic bacteriuria
- Asymptomatic HIV infection
- Ataxia - telangiectasia
- Atelectasis
- Atheroembolic renal disease
- Atherosclerosis
- Athlete's foot
- Atopic eczema
- Atrial fibrillation/flutter
- Atrial myxoma
- Atrial septal defect
- Atrophic vaginitis
- Attention deficit hyperactivity disorder (ADHD)
- Atypical pneumonia
- Aural polyps
- Autism
- Autoerythrocyte sensitivity
- Autoimmune disorders
- Autoimmune hepatitis
- Autonomic hyperreflexia
- Autonomic neuropathy
- Avian influenza
- Avoidant personality disorder
- Axillary nerve dysfunction
- Bacterial gastroenteritis
- Baker’s cyst
- Balanitis
- Barbiturate intoxication and overdose
- Barrett’s esophagus
- Bartholin’s abscess
- Bartter syndrome
- Basal cell carcinoma
- Basal cell nevus syndrome
- Basal ganglia dysfunction
- Bassen-Kornzweig syndrome
- Becker muscular dystrophy
- Beckwith-Wiedemann syndrome
- Bedwetting
- Bell's palsy
- Benign ear cyst or tumor
- Benign positional vertigo
- Beriberi
- Bezoar
- Bicuspid aortic valve
- Bilateral hydronephrosis
- Bile duct obstruction
- Biliary atresia
- Biliary stricture
- Bipolar disorder
- Birth-acquired herpes
- Birthmarks - pigmented
- Birthmarks - red
- Bladder cancer
- Bladder outlet obstruction
- Bladder stones
- Blastomycosis
- Bleeding disorders
- Bleeding esophageal varices
- Blepharitis
- Blind loop syndrome
- Blocked tear duct
- Blood clots
- Blount's disease
- Body lice
- Boils
- Bone tumors
- Borderline personality disorder
- Botulism
- Bowlegs
- Brachial palsy in newborns
- Brachial plexopathy
- Brain abscess
- Brain herniation
- Brain tumor - children
- Brain tumor - primary - adults
- Branchial cleft cyst
- Breast cancer
- Breast infection
- Breast milk jaundice
- Breath holding spell
- Brief reactive psychosis
- Bronchiectasis
- Bronchiolitis
- Bronchitis
- Bronchopulmonary dysplasia
- Brucellosis
- Bruxism
- Bulimia
- Bullous pemphigoid
- Bunions
- Burkitt lymphoma
- Bursitis
- Byssinosis
- Campylobacter enteritis
- Canavan disease
- Cancer
- Cancer - penis
- Cancer - renal pelvis or ureter
- Cancer - throat or larynx
- Cancer - vulva
- Candida esophagitis
- Canker sores
- Caplan syndrome
- Caput succedaneum
- Carbuncle
- Carcinoid syndrome
- Cardiac amyloidosis
- Cardiac tamponade
- Cardiogenic shock
- Cardiomyopathy
- Carotid artery disease
- Carpal tunnel syndrome
- Cat scratch disease
- Cataract
- Catheter-associated UTI
- Cavernous sinus thrombosis
- Celiac disease - sprue
- Cellulitis
- Central pontine myelinolysis
- Central serous choroidopathy
- Central sleep apnea
- Cerebral amyloid angiopathy
- Cerebral hypoxia
- Cerebral palsy
- Cervical cancer
- Cervical dysplasia
- Cervical polyps
- Cervical spondylosis
- Cervicitis
- Chagas disease
- Chalazion
- Chancroid
- Charcot-Marie-Tooth disease
- Charley horse
- Chediak-Higashi syndrome
- Chemical pneumonitis
- Cherry angioma
- Chickenpox
- Chiggers
- Child abuse - physical
- Child abuse - sexual
- Child neglect and psychological abuse
- Childhood disintegrative disorder
- Chinese restaurant syndrome
- Chlamydia
- Chlamydia infections in women
- Chlamydial urethritis - male
- Choanal atresia
- Cholangiocarcinoma
- Cholangitis
- Choledocholithiasis
- Cholera
- Cholestasis
- Cholesteatoma
- Chondromalacia patella
- Choriocarcinoma
- Choroidal dystrophies
- Chronic bilateral obstructive uropathy
- Chronic cholecystitis
- Chronic fatigue syndrome
- Chronic glomerulonephritis
- Chronic granulomatous disease
- Chronic inflammatory polyneuropathy
- Chronic kidney disease
- Chronic lymphocytic leukemia (CLL)
- Chronic motor tic disorder
- Chronic myelogenous leukemia (CML)
- Chronic obstructive pulmonary disease
- Chronic pancreatitis
- Chronic persistent hepatitis
- Chronic subdural hematoma
- Chronic thyroiditis (Hashimoto’s disease)
- Chronic unilateral obstructive uropathy
- Chylomicronemia syndrome
- Cirrhosis
- Cleft lip and palate
- Cleidocranial dysostosis
- Clubfoot
- Cluster headache
- CMV - gastroenteritis/colitis
- CMV - immunocompromised host
- CMV - pneumonia
- CMV esophagitis
- Coal worker's pneumoconiosis
- Coarctation of the aorta
- Cocaine intoxication
- Cocaine withdrawal
- Coccidioidomycosis
- Coccidioidomycosis - acute pulmonary
- Coccidioidomycosis - chronic pulmonary
- Coccidioidomycosis - disseminated
- Colic and crying
- Colitis
- Collagen vascular disease
- Collapsed lung
- Colloid nodular goiter
- Colon cancer
- Color blindness
- Colorado tick fever
- Colorectal polyps
- Common cold
- Common peroneal nerve dysfunction
- Compartment syndrome
- Complex regional pain syndrome
- Compression fractures of the back
- Concussion
- Conduct disorder
- Congenital adrenal hyperplasia
- Congenital afibrinogenemia
- Congenital antithrombin III deficiency
- Congenital cataract
- Congenital cytomegalovirus
- Congenital heart disease
- Congenital nephrogenic diabetes insipidus
- Congenital nephrotic syndrome
- Congenital platelet function defects
- Congenital protein C or S deficiency
- Congenital rubella
- Congenital spherocytic anemia
- Congenital syphilis
- Congenital toxoplasmosis
- Conjunctivitis
- Contact dermatitis
- Conversion disorder
- Cor pulmonale
- Corneal injury
- Corneal ulcers and infections
- Corns and calluses
- Coronary artery fistula
- Coronary artery spasm
- Coronary heart disease
- Costochondritis
- Cranial mononeuropathy III - compression type
- Cranial mononeuropathy III - diabetic type
- Cranial mononeuropathy VI
- Craniopharyngioma
- Craniosynostosis
- Craniotabes
- Creeping eruption
- Creutzfeldt-Jakob disease
- Cri du chat syndrome
- Crigler-Najjar syndrome
- Crohn's disease
- Croup
- Cryoglobulinemia
- Cryptococcosis
- Cryptosporidium enteritis
- CSF leak
- Culture-negative endocarditis
- Curvature of the penis
- Cushing syndrome
- Cushing syndrome - exogenous
- Cushing syndrome due to adrenal tumor
- Cushing’s disease
- Cutaneous anthrax
- Cutaneous candidiasis
- Cutaneous skin tags
- Cyanotic heart disease
- Cyclothymic disorder
- Cystic fibrosis
- Cystic hygroma
- Cysticercosis
- Cystinuria
- Cystitis - acute
- Cystitis - noninfectious
- Cystitis - recurrent
- Cytomegalovirus retinitis
- Dacryoadenitis
- Deep intracerebral hemorrhage
- Deep venous thrombosis
- Dehydration
- Delayed ejaculation
- Delirium
- Delirium tremens
- Delta agent (Hepatitis D)
- Dementia
- Dementia due to metabolic causes
- Dengue fever
- Dengue hemorrhagic fever
- Dental cavities
- Dependent personality disorder
- Depression - elderly
- Dermatitis herpetiformis
- Dermatomyositis
- Dermatoses - systemic
- Developmental coordination disorder
- Developmental disorders of the female reproductive tract
- Developmental disorders of the vagina and vulva
- Developmental dysplasia of the hip
- Developmental reading disorder
- Dextrocardia
- Diabetes
- Diabetes complications
- Diabetes insipidus
- Diabetes insipidus - central
- Diabetes insipidus - nephrogenic
- Diabetic hyperglycemic hyperosmolar syndrome
- Diabetic ketoacidosis
- Diabetic nephropathy
- Diabetic neuropathy
- Diabetic retinopathy
- Diaper rash
- Diaphragmatic hernia
- Diastasis recti
- Diffuse interstitial lung disease
- Digitalis toxicity
- Dilated cardiomyopathy
- Diphtheria
- Diphyllobothriasis
- Diskitis
- Disorder of written expression
- Disseminated intravascular coagulation (DIC)
- Disseminated tuberculosis
- Distal median nerve dysfunction
- Distal renal tubular acidosis
- Diverticulitis
- Double aortic arch
- Double inlet left ventricle
- Double outlet right ventricle
- Down syndrome
- Drug allergies
- Drug dependence
- Drug-induced cholestasis
- Drug-induced diarrhea
- Drug-induced hepatitis
- Drug-induced hypertension
- Drug-induced hypoglycemia
- Drug-induced hypothyroidism
- Drug-induced immune hemolytic anemia
- Drug-induced lupus erythematosus
- Drug-induced pulmonary disease
- Drug-induced tremor
- Dry eye syndrome
- Dubin-Johnson syndrome
- Duchenne muscular dystrophy
- Duodenal atresia
- Dupuytren’s contracture
- Dysarthria
- Dyscrasias
- Dysfunctional uterine bleeding (DUB)
- Dyshidrotic eczema
- Dysthymia
- E. coli enteritis
- Ear barotrauma
- Ear infection - acute
- Ear infection - chronic
- Early symptomatic HIV infection
- Ebola hemorrhagic fever
- Ebstein's anomaly
- Echinococcus
- ECHO virus
- Eclampsia
- Ecthyma
- Ectodermal dysplasia
- Ectopic ADH secretion
- Ectopic Cushing syndrome
- Ectopic heartbeat
- Ectopic pregnancy
- Ectropion
- Ehlers-Danlos syndrome
- Ehrlichiosis
- Eisenmenger syndrome
- Ellis-van Creveld syndrome
- Empty sella syndrome
- Empyema
- Encephalitis
- Encopresis
- End-stage kidney disease
- Endocardial cushion defect
- Endocarditis
- Endometrial cancer
- Endometriosis
- Endometritis
- Endophthalmitis
- Enlarged adenoids
- Enlarged prostate
- Enteritis
- Entropion
- Eosinophilic fasciitis
- Epidermolysis bullosa
- Epididymitis
- Epidural abscess
- Epiglottitis
- Epilepsy
- Episcleritis
- Epispadias
- Epstein pearls
- Erysipelas
- Erysipeloid
- Erythema multiforme
- Erythema nodosum
- Erythema toxicum
- Erythrasma
- Erythroblastosis fetalis
- Erythroplasia of Queyrat
- Esophageal atresia
- Esophageal cancer
- Esophageal perforation
- Esophageal spasm
- Esophageal stricture - benign
- Esophagitis
- Essential hypertension
- Essential tremor
- Ethmoiditis
- Ethylene glycol intoxication
- Eustachian tube patency
- Ewing’s sarcoma
- Exfoliative dermatitis
- Exogenous adrenal insufficiency
- Extradural hemorrhage
- Eyelid bump
- Eyelid twitch
- Facial nerve palsy due to birth trauma
- Facial tics
- Facial trauma
- Facioscapulohumeral muscular dystrophy
- Factitious hyperthyroidism
- Factor II deficiency
- Factor V deficiency
- Factor VII deficiency
- Factor X deficiency
- Factor XII (Hageman factor) deficiency
- Failure to thrive
- Familial combined hyperlipidemia
- Familial dysbetalipoproteinemia
- Familial hypercholesterolemia
- Familial hypertriglyceridemia
- Familial lipoprotein lipase deficiency
- Familial Mediterranean fever
- Familial tremor
- Fanconi syndrome
- Fanconi's anemia
- Farsightedness
- Febrile seizures
- Fecal impaction
- Feeding disorder of infancy and early childhood
- Felty syndrome
- Female pattern baldness
- Femoral hernia
- Femoral nerve dysfunction
- Fenestration
- Fetal alcohol syndrome
- Fibroadenoma - breast
- Fibrocystic breast disease
- Fibromyalgia
- Fibrous dysplasia
- Fifth disease
- Fleas
- Flu
- Fluid imbalance
- Focal segmental glomerulosclerosis
- Folate deficiency
- Folate-deficiency anemia
- Folliculitis
- Food allergy
- Food poisoning
- Fractured clavicle in the newborn
- Fragile X syndrome
- Friedreich's ataxia
- Frozen shoulder
- Fuchs' dystrophy
- Fungal arthritis
- Fungal nail infection
- Fusion of the ear bones
- Galactosemia
- Gallbladder disease
- Gallstones
- Ganglioneuroblastoma
- Ganglioneuroma
- Gangrene
- Gas gangrene
- Gastric cancer
- Gastritis
- Gastritis - acute
- Gastroesophageal reflux disease
- Gastroesophageal reflux in infants
- Gastrointestinal fistula
- Gastrointestinal perforation
- Gastroparesis
- Gastroschisis
- Gaucher disease
- Gender identity disorder
- General paresis
- Generalized anxiety disorder
- Generalized tonic-clonic seizure
- Genital herpes
- Genital warts
- Geographic tongue
- Gestational diabetes
- Gestational trophoblastic disease
- Giant congenital nevus
- Giardiasis
- Gigantism
- Gilbert's disease
- Gilles de la Tourette syndrome
- Gingivitis
- Gingivostomatitis
- Glanzmann’s disease
- Glaucoma
- Glomerulonephritis
- Glomus jugulare tumor
- Glomus tympanum tumor
- Glossitis
- Glossopharyngeal neuralgia
- Glucagonoma
- Glucose-6-phosphate dehydrogenase deficiency
- Goiter - simple
- Gonococcal arthritis
- Gonorrhea
- Goodpasture syndrome
- Gout
- Graft-versus-host disease
- Granuloma annulare
- Granuloma inguinale
- Graves disease
- Gray syndrome
- Grief
- Group B streptococcal septicemia of the newborn
- Growth hormone deficiency - children
- Guillain-Barre syndrome
- Gumma
- H1N1 (swine) influenza
- Hairy cell leukemia
- Hallervorden-Spatz disease
- Hammer toe
- Hand-foot-mouth disease
- Hantavirus
- Hartnup disorder
- Head lice
- Hearing loss - infants
- Heart attack
- Heart disease
- Heart failure
- Helicobacter pylori
- HELLP syndrome
- Hemangioma
- Hemochromatosis
- Hemoglobin C disease
- Hemoglobinopathy
- Hemolytic anemia
- Hemolytic anemia caused by chemicals and toxins
- Hemolytic-uremic syndrome
- Hemophilia
- Hemophilia A
- Hemophilia B
- Hemorrhagic disease of the newborn
- Hemorrhagic stroke
- Hemorrhoids
- Hemothorax
- Henoch-Schonlein purpura
- Hepatic encephalopathy
- Hepatic hemangioma
- Hepatic ischemia
- Hepatic vein obstruction (Budd-Chiari)
- Hepatitis
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatocellular carcinoma
- Hepatocerebral degeneration
- Hepatorenal syndrome
- Hereditary amyloidosis
- Hereditary angioedema
- Hereditary elliptocytosis
- Hereditary fructose intolerance
- Hereditary ovalocytosis
- Hereditary urea cycle abnormality
- Hernia
- Herniated disk
- Herpangina
- Herpes esophagitis
- Herpes labialis
- Herpes simplex
- Herpetic stomatitis
- Hiatal hernia
- High arch
- High blood cholesterol and triglycerides
- High blood pressure - infants
- Hirschsprung’s disease
- Histiocytosis
- Histoplasmosis
- Histoplasmosis - acute (primary) pulmonary
- Histoplasmosis - chronic pulmonary
- Histoplasmosis - disseminated
- Histrionic personality disorder
- HIV infection
- Hives
- Hodgkin’s lymphoma
- Homocystinuria
- Hookworm
- Horner syndrome
- Hospital-acquired pneumonia
- Hot tub folliculitis
- Hunter syndrome
- Huntington's disease
- Hurler syndrome
- Hydatidiform mole
- Hydrocarbon pneumonia
- Hydrocele
- Hydrocephalus
- Hydrops fetalis
- Hymenolepiasis
- Hyperaldosteronism - primary and secondary
- Hypercalcemia
- Hypercoagulable states
- Hyperemesis gravidarum
- Hyperglycemia - infants
- Hyperhidrosis
- Hyperimmunization
- Hyperimmunoglobulin E syndrome
- Hyperkalemia
- Hyperkalemic periodic paralysis
- Hyperparathyroidism
- Hypersensitivity pneumonitis
- Hypersplenism
- Hypertension
- Hypertensive heart disease
- Hypertensive intracerebral hemorrhage
- Hypertensive retinopathy
- Hyperthyroidism
- Hypertrophic cardiomyopathy
- Hyperviscosity - newborn
- Hypervitaminosis A
- Hypervitaminosis D
- Hyphema
- Hypocalcemia - infants
- Hypochondria
- Hypoglycemia
- Hypogonadism
- Hypogonadotropic hypogonadism
- Hypokalemia
- Hypokalemic periodic paralysis
- Hypomagnesemia
- Hyponatremia
- Hypoparathyroidism
- Hypophosphatemia
- Hypopituitarism
- Hypoplastic left heart syndrome
- Hypospadias
- Hypotension
- Hypothalamic dysfunction
- Hypothalamic tumor
- Hypothyroidism
- Hypothyroidism - secondary
- Hypovolemic shock
- Ichthyosis vulgaris
- Idiopathic aplastic anemia
- Idiopathic autoimmune hemolytic anemia
- Idiopathic hypercalciuria
- Idiopathic hypersomnia
- Idiopathic livedo reticularis
- Idiopathic pulmonary fibrosis
- Idiopathic thrombocytopenic purpura (ITP)
- IgA nephropathy
- Immune hemolytic anemia
- Immunodeficiency disorders
- Impacted tooth
- Imperforate anus
- Impetigo
- Incontinentia pigmenti
- Incontinentia pigmenti achromians
- Increased intracranial pressure
- Industrial bronchitis
- Infant botulism
- Infant of diabetic mother
- Infectious endocarditis
- Infectious myringitis
- Infertility
- Ingrown toenail
- Inhalation anthrax
- Inhibited sexual desire
- Injury - kidney and ureter
- Insomnia
- Insulinoma
- Intersex
- Interstitial cystitis
- Interstitial keratitis
- Interstitial nephritis
- Intestinal ischemia and infarction
- Intestinal leiomyoma
- Intestinal obstruction
- Intestinal pseudo-obstruction
- Intra-abdominal abscess
- Intracerebral hemorrhage
- Intraductal papilloma
- Intrauterine growth restriction
- Intraventricular hemorrhage of the newborn
- Intussusception - children
- Iron deficiency anemia
- Iron deficiency anemia - children
- Irregular sleep-wake syndrome
- Irritable bowel syndrome
- Ischemic cardiomyopathy
- Ischemic colitis
- Isolated sleep paralysis
- Jaundice-associated conditions
- Jock itch
- Juvenile angiofibroma
- Juvenile rheumatoid arthritis
- Kaposi’s sarcoma
- Kawasaki disease
- Keloids
- Keratoconus
- Keratosis obturans
- Keratosis pilaris
- Kernicterus
- Kidney disease
- Kidney stones
- Klinefelter syndrome
- Klippel-Trenaunay syndrome
- Knock knees
- Krabbe disease
- Kuru
- Kwashiorkor
- Kyphosis
- Labyrinthitis
- Lack of intrinsic factor
- Lacrimal gland tumor
- Lactic acidosis
- Lactose intolerance
- Lambert-Eaton syndrome
- Lamellar ichthyosis
- Language disorder - children
- Laryngeal nerve damage
- Laryngitis
- Legg-Calve-Perthes disease
- Legionnaire's disease
- Leiomyosarcoma
- Leishmaniasis
- Leprosy
- Leptospirosis
- Lesch-Nyhan syndrome
- Leukemia
- Leukemoid reaction
- Leukoplakia
- Leydig cell tumor
- Lichen planus
- Lichen simplex chronicus
- Limb-girdle muscular dystrophies
- Listeriosis
- Liver disease
- Liver metastases
- Liver spots
- Lobar intracerebral hemorrhage
- Low back pain - acute
- Low back pain - chronic
- Lower esophageal ring
- Ludwig’s angina
- Lumps in the breasts
- Lung cancer
- Lung cancer - non-small cell
- Lung cancer - small cell
- Lung disease
- Lupus anticoagulants
- Lupus nephritis
- Lyme disease
- Lyme disease - chronic persistent
- Lyme disease - early disseminated
- Lyme disease - primary
- Lymphadenitis
- Lymphangitis
- Lymphatic obstruction
- Lymphofollicular hyperplasia
- Lymphogranuloma venereum
- Lymphoid hyperplasia
- Macroamylasemia
- Macroglobulinemia of Waldenstrom
- Macular degeneration - age-related
- Major depression
- Major depression with psychotic features
- Malabsorption
- Malaria
- Male pattern baldness
- Malignant hypertension
- Malignant hyperthermia
- Malignant otitis externa
- Malignant teratoma
- Mallory-Weiss tear
- Malnutrition
- Malocclusion of teeth
- Maple syrup urine disease
- Marfan syndrome
- Marijuana intoxication
- Mastoiditis
- Maternal deprivation syndrome
- Mathematics disorder
- McArdle syndrome
- McCune-Albright syndrome
- Measles
- Meatal stenosis
- Meckel's diverticulum
- Meconium aspiration syndrome
- Mediastinal tumor
- Mediastinitis
- Medullary carcinoma of thyroid
- Medullary cystic kidney disease
- Megaloblastic anemia
- Meibomianitis
- Melanoma
- Melanoma of the eye
- Melasma
- Membranoproliferative GN
- Membranoproliferative GN II
- Membranous nephropathy
- Meniere’s disease
- Meningitis
- Meningitis - cryptococcal
- Meningitis - gram-negative
- Meningitis - H. influenzae
- Meningitis - meningococcal
- Meningitis - pneumococcal
- Meningitis - staphylococcal
- Meningitis - tuberculous
- Meningococcemia
- Menkes syndrome
- Menopause
- Mental retardation
- Mesenteric artery ischemia
- Mesenteric venous thrombosis
- Mesothelioma (benign-fibrous)
- Mesothelioma - malignant
- Metabolic acidosis
- Metabolic neuropathies
- Metabolic syndrome
- Metachromatic leukodystrophy
- Metastatic brain tumor
- Metastatic cancer to the lung
- Metastatic pleural tumor
- Metatarsus adductus
- Methemoglobinemia
- Methemoglobinemia - acquired
- Methylmalonic acidemia
- Methylmercury poisoning
- Migraine
- Milia
- Milk-alkali syndrome
- Mineral metabolism disorders
- Minimal change disease
- Miscarriage
- Miscarriage - threatened
- Mitral regurgitation - acute
- Mitral regurgitation - chronic
- Mitral stenosis
- Mitral valve prolapse
- Mittelschmerz
- Mixed tension migraine
- Molluscum contagiosum
- Mongolian blue spots
- Mononeuritis multiplex
- Mononeuropathy
- Mononucleosis
- Morquio syndrome
- Morton's neuroma
- Mosaicism
- Mouth ulcers
- MRSA
- Mucormycosis
- Mucous cyst
- Multi-infarct dementia
- Multifocal atrial tachycardia
- Multiple endocrine neoplasia (MEN) I
- Multiple endocrine neoplasia (MEN) II
- Multiple lentigines syndrome
- Multiple myeloma
- Multiple sclerosis
- Multiple system atrophy
- Mumps
- Munchausen syndrome by proxy
- Muscular dystrophy
- Myasthenia gravis
- Mycoplasma pneumonia
- Myelofibrosis
- Myelomeningocele
- Myocardial contusion
- Myocarditis
- Myocarditis - pediatric
- Myopathic changes
- Myositis
- Myotonia congenita
- Nabothian cyst
- Narcissistic personality disorder
- Narcolepsy
- Nasal polyps
- Natural short sleeper
- Nearsightedness
- Necrotizing enterocolitis
- Necrotizing granuloma
- Necrotizing soft tissue infection
- Necrotizing vasculitis
- Neonatal abstinence syndrome
- Neonatal conjunctivitis
- Neonatal hypoglycemia
- Neonatal hypothyroidism
- Neonatal respiratory distress syndrome
- Neonatal sepsis
- Nephrocalcinosis
- Nephrotic syndrome
- Neuralgia
- Neuroblastoma
- Neurofibromatosis 2
- Neurofibromatosis-1
- Neurogenic bladder
- Neuronal ceroid lipofuscinoses (NCLS)
- Neuropathy secondary to drugs
- Neurosarcoidosis
- Neurosyphilis
- Neutropenia - infants
- Newborn jaundice
- Nicotine addiction and withdrawal
- Niemann-Pick disease
- Night terror
- Nipple problems
- Nocardia infection
- Noma
- Non-Hodgkin's lymphoma
- Nonspecific back pain
- Noonan syndrome
- Normal pressure hydrocephalus (NPH)
- Nummular eczema
- Nursemaid’s elbow
- Obesity
- Obesity hypoventilation syndrome (OHS)
- Obsessive-compulsive disorder
- Obsessive-compulsive personality disorder
- Obstructive sleep apnea
- Obstructive uropathy
- Occupational asthma
- Occupational hearing loss
- Olivopontocerebellar atrophy
- Omphalocele
- Opiate withdrawal
- Opioid intoxication
- Oppositional defiant disorder
- Optic glioma
- Optic nerve atrophy
- Optic neuritis
- Oral cancer
- Orbital cellulitis
- Orbital pseudotumor
- Orchitis
- Organic brain syndrome
- Osgood-Schlatter disease
- Osler-Weber-Rendu syndrome
- Osmotic diuresis
- Osteitis fibrosa
- Osteoarthritis
- Osteogenesis imperfecta
- Osteomalacia
- Osteomyelitis
- Osteonecrosis
- Osteopenia - premature infants
- Osteoporosis
- Osteosarcoma
- Otitis
- Otitis media with effusion
- Otosclerosis
- Ovarian cancer
- Ovarian cysts
- Ovarian hyperstimulation syndrome
- Ovarian hypofunction
- Ovarian overproduction of androgens
- Ozena
- Paget’s disease of the bone
- Palatal myoclonus
- Pancreas divisum
- Pancreatic abscess
- Pancreatic carcinoma
- Pancreatic islet cell tumor
- Pancreatic pseudocyst
- Pancreatitis
- Panic disorder
- Panic disorder with agoraphobia
- Parainfluenza
- Paranoid personality disorder
- Paraphimosis
- Parapneumonic pleural effusion
- Paraquat poisoning
- Parathyroid adenoma
- Parathyroid cancer
- Parathyroid hyperplasia
- Parinaud oculoglandular syndrome
- Parkinson’s disease
- Paronychia
- Paroxysmal cold hemoglobinuria (PCH)
- Paroxysmal nocturnal hemoglobinuria (PNH)
- Paroxysmal supraventricular tachycardia (PSVT)
- Partial (focal) seizure
- Patent ductus arteriosus
- Patent foramen ovale
- Pathological gambling
- Pellagra
- Pelvic inflammatory disease (PID)
- Pemphigus vulgaris
- Peptic ulcer
- Perianal streptococcal cellulitis
- Pericarditis
- Pericarditis - after heart attack
- Pericarditis - bacterial
- Pericarditis - constrictive
- Perichondritis
- Periodic paralysis with hypokalemia
- Periodontitis
- Perioral dermatitis
- Periorbital cellulitis
- Peripartum cardiomyopathy
- Peripheral artery disease - legs
- Peripheral neuropathy
- Perirenal abscess
- Peritonitis
- Peritonitis - dialysis associated
- Peritonitis - secondary
- Peritonitis - spontaneous
- Peritonsillar abscess
- Periventricular leukomalacia
- Pernicious anemia
- Personality disorders
- Pertussis
- Pes planus
- Petit mal seizure
- Petrositis
- Peutz-Jeghers syndrome
- Pharyngitis
- Pharyngitis - gonococcal
- Pharyngitis - viral
- Pharyngomaxillary space abscess
- Phenylketonuria
- Pheochromocytoma
- Phlegmasia cerulea dolens
- Phobia - simple/specific
- Phonological disorder
- Pica
- Pick’s disease
- Pierre Robin syndrome
- Pinguecula
- Pinworms
- Pituitary infarction
- Pituitary tumor
- Pityriasis alba
- Pityriasis rosea
- Pityriasis rubra pilaris
- Placenta abruptio
- Placenta previa
- Placental insufficiency
- Plague
- Plantar fasciitis
- Pleural effusion
- Pleurisy
- Plummer-Vinson syndrome
- Pneumocystis jiroveci pneumonia
- Pneumomediastinum
- Pneumonia
- Pneumonia - weakened immune system
- Pneumothorax - infants
- Poliomyelitis
- Polyarteritis nodosa
- Polychromatophilia
- Polycystic kidney disease
- Polycystic ovary syndrome
- Polycythemia vera
- Polymorphic light eruption
- Polymyalgia rheumatica
- Polymyositis - adult
- Porphyria
- Port-wine stain
- Post-splenectomy syndrome
- Post-streptococcal glomerulonephritis (GN)
- Post-traumatic stress disorder
- Posterior fossa tumor
- Posterior tongue carcinoma
- Postherpetic neuralgia
- Postpartum depression
- Potter syndrome
- Prader-Willi syndrome
- Precocious puberty
- Preeclampsia
- Premature ejaculation
- Premature infant
- Premenstrual dysphoric disorder
- Premenstrual syndrome
- Prerenal azotemia
- Presbyopia
- Primary alveolar hypoventilation
- Primary amyloidosis
- Primary biliary cirrhosis
- Primary hyperparathyroidism
- Primary lymphoma of the brain
- Primary or secondary fibrinolysis
- Primary thrombocythemia
- Proctitis
- Progeria
- Progressive multifocal leukoencephalopathy
- Progressive supranuclear palsy
- Prolactinoma
- Prolactinoma - males
- Prostate cancer
- Prostatitis - bacterial acute
- Prostatitis - bacterial chronic
- Prostatitis - nonbacterial - chronic
- Protein-losing enteropathy
- Proximal renal tubular acidosis
- Prune belly syndrome
- Pseudogout
- Pseudohypoparathyroidism
- Pseudomembranous colitis
- Pseudotumor cerebri
- Psittacosis
- Psoriasis
- Psoriasis - guttate
- Psoriatic arthritis
- Psychosis
- Pterygium
- Ptosis
- Pubic lice
- Pulmonary actinomycosis
- Pulmonary alveolar proteinosis
- Pulmonary arteriovenous fistula
- Pulmonary aspergilloma
- Pulmonary aspergillosis - allergic bronchopulmonary type
- Pulmonary aspergillosis - invasive
- Pulmonary atresia
- Pulmonary edema
- Pulmonary embolus
- Pulmonary hypertension
- Pulmonary nocardiosis
- Pulmonary tuberculosis
- Pulmonary valve stenosis
- Pulmonary veno-occlusive disease
- Pyelonephritis
- Pyloric stenosis
- Pyogenic granuloma
- Pyogenic liver abscess
- Pyruvate kinase deficiency
- Q fever
- Q fever - early
- Rabies
- Radial nerve dysfunction
- Radiation enteritis
- Ramsay Hunt syndrome
- Rapidly progressive glomerulonephritis
- Rat-bite fever
- Raynaud’s phenomenon
- Reactive arthritis
- Reactive attachment disorder of infancy or early childhood
- Rectal prolapse
- Reflux nephropathy
- Reifenstein syndrome
- Relapsing fever
- Renal and urological disorders
- Renal cell carcinoma
- Renal papillary necrosis
- Renal vein thrombosis
- Renovascular hypertension
- Repeated nightmares
- Respiratory acidosis
- Respiratory alkalosis
- Respiratory syncytial virus (RSV)
- Restless leg syndrome
- Restrictive cardiomyopathy
- Retinal artery occlusion
- Retinal detachment
- Retinal vein occlusion
- Retinitis pigmentosa
- Retinoblastoma
- Retinopathy of prematurity
- Retrocalcaneal bursitis
- Retrograde ejaculation
- Retroperitoneal fibrosis
- Retroperitoneal inflammation
- Retropharyngeal abscess
- Retrosternal thyroid
- Retroversion of the uterus
- Rett syndrome
- Reye syndrome
- Rh incompatibility
- Rhabdomyolysis
- Rhabdomyosarcoma
- Rheumatic fever
- Rheumatoid arthritis
- Rheumatoid lung disease
- Rhinophyma
- Rickets
- Rickettsial pox
- Riley-Day syndrome
- Ringworm
- Rocky Mountain spotted fever
- Rosacea
- Roseola
- Rotator cuff tendinitis
- Rubella
- Rubinstein-Taybi syndrome
- Rumination disorder
- Ruptured eardrum
- Russell-Silver syndrome
- Salivary duct stones
- Salivary gland disorders
- Salivary gland infections
- Salivary gland tumors
- Salmonella enterocolitis
- Sanfilippo syndrome
- Sarcoidosis
- Scabies
- Scalded skin syndrome
- Scarlet fever
- Scheie syndrome
- Schistosomiasis
- Schizoaffective disorder
- Schizoid personality disorder
- Schizophrenia
- Schizophrenia - disorganized type
- Schizophrenia - paranoid type
- Schizotypal personality disorder
- Sciatica
- Scleritis
- Scleroderma
- Scleroma
- Sclerosing cholangitis
- Scoliosis
- Scrofula
- Scrotal masses
- Scurvy
- Seasonal affective disorder
- Sebaceous cyst
- Seborrheic dermatitis
- Seborrheic keratosis
- Secondary amenorrhea
- Secondary aplastic anemia
- Secondary hyperparathyroidism
- Secondary parkinsonism
- Secondary systemic amyloidosis
- Selective deficiency of IgA
- Selective mutism
- Sensorimotor polyneuropathy
- Separation anxiety
- Sepsis
- Septal hematoma
- Septic arthritis
- Septic shock
- Septicemia
- Serotonin syndrome
- Sertoli-Leydig cell tumor
- Serum sickness
- Severe acute respiratory syndrome (SARS)
- Sheehan syndrome
- Shigellosis
- Shingles
- Short bowel syndrome
- Sick sinus syndrome
- Sickle cell anemia
- Silent thyroiditis
- Silicosis
- Simple pulmonary eosinophilia
- Sinusitis
- Sjogren syndrome
- Skin abscess
- Skin cancer
- Skin lesion of blastomycosis
- Skin lesion of coccidioidomycosis
- Skin lesion of histoplasmosis
- Sleep disorders
- Sleep disorders in the elderly
- Sleeping sickness
- Sleepwalking
- Slipped capital femoral epiphysis
- Small bowel bacterial overgrowth
- Smallpox
- Social phobia
- Solitary pulmonary nodule
- Somatization disorder
- Somatoform pain disorder
- Spasmodic dysphonia
- Spasmus nutans
- Speech disorders - children
- Spider angioma
- Spinal cord abscess
- Spinal cord trauma
- Spinal muscular atrophy
- Spinal stenosis
- Spinal tumor
- Splenic infarction
- Spondylolisthesis
- Sporotrichosis
- Squamous cell skin cancer
- Stable angina
- Staph aureus food poisoning
- Stasis dermatitis and ulcers
- Stereotypic movement disorder
- Stork bite
- Strabismus
- Strep throat
- Stress gastritis
- Stress incontinence
- Stroke
- Stroke related to cocaine use
- Stroke secondary to atherosclerosis
- Stroke secondary to carotid dissection
- Strongyloidiasis
- Sturge-Weber syndrome
- Stuttering
- Subacute combined degeneration
- Subacute sclerosing panencephalitis
- Subacute thyroiditis
- Subarachnoid hemorrhage
- Subareolar abscess
- Subconjunctival hemorrhage
- Subdural effusion
- Subdural hematoma
- Sudden infant death syndrome
- Suicide and suicidal behavior
- Superficial thrombophlebitis
- Supranuclear ophthalmoplegia
- SVC obstruction
- Swimmer's ear
- Swimming pool granuloma
- Sydenham chorea
- Syphilis
- Syphilis - primary
- Syphilitic aseptic meningitis
- Syphilitic myelopathy
- Syringomyelia
- Systemic lupus erythematosus
- Taeniasis
- Takayasu arteritis
- Tardive dyskinesia
- Tay-Sachs disease
- Temporal arteritis
- Temporal lobe seizure
- Tendinitis
- Tennis elbow
- Tenosynovitis
- Tension headache
- Testicular cancer
- Testicular failure
- Testicular torsion
- Tetanus
- Tetralogy of Fallot
- Thalassemia
- Thoracic aortic aneurysm
- Thoracic outlet syndrome
- Thromboangiitis obliterans
- Thrombocytopenia
- Thrombocytopenia - drug induced
- Thrombophlebitis
- Thrombotic thrombocytopenic purpura
- Thrush
- Thyroid cancer
- Thyroid cancer - papillary carcinoma
- Thyroid diseases
- Thyroid nodule
- Thyroid storm
- Thyrotoxic periodic paralysis
- Tibial nerve dysfunction
- Tick paralysis
- Tinea capitis
- Tinea corporis
- Tinea versicolor
- TMJ disorders
- Tongue tie
- Tonsillitis
- Tooth abscess
- Torticollis
- Total anomalous pulmonary venous return
- Toxic megacolon
- Toxic nodular goiter
- Toxic shock syndrome
- Toxic synovitis
- Toxoplasmosis
- Tracheal rupture
- Tracheitis
- Tracheomalacia - acquired
- Tracheomalacia - congenital
- Trachoma
- Transfusion reaction - hemolytic
- Transient familial hyperbilirubinemia
- Transient ischemic attack
- Transient tachypnea - newborn
- Transient tic disorder
- Transplant rejection
- Transposition of the great vessels
- Traumatic injury of the bladder and urethra
- Traumatic nasogastric or endotracheal intubation
- Treacher-Collins syndrome
- Trench mouth
- Trichinosis
- Trichomoniasis
- Trichorrhexis nodosa
- Trichotillomania
- Tricuspid atresia
- Tricuspid regurgitation
- Trigeminal neuralgia
- Trisomy 13
- Trisomy 18
- Tropical sprue
- Truncus arteriosus
- Tuberculous arthritis
- Tuberculous pleural effusion
- Tuberous sclerosis
- Tularemia
- Tumor
- Turner syndrome
- Twin-to-twin transfusion syndrome
- Type 1 diabetes
- Type 2 diabetes
- Typhoid fever
- Typhus
- Ulcerative colitis
- Ulnar nerve dysfunction
- Umbilical hernia
- Undescended testicle
- Unilateral hydronephrosis
- Unstable angina
- UPJ obstruction
- Ureterocele
- Urethral stricture
- Urethritis
- Urge incontinence
- Urinary tract infection - adults
- Urinary tract infection - children
- Urticaria pigmentosa
- Uterine fibroids
- Uterine prolapse
- Uveitis
- Uvulitis
- Vaginal cysts
- Vaginal tumors
- Vaginal yeast infection
- Vaginismus
- Varicocele
- Varicose veins
- Vascular ring
- Vasomotor rhinitis
- Venous insufficiency
- Ventricular fibrillation
- Ventricular septal defect
- Ventricular tachycardia
- Vernal conjunctivitis
- Vertebrobasilar circulatory disorders
- Vertigo-associated disorders
- VIPoma
- Viral arthritis
- Viral gastroenteritis
- Viral pneumonia
- Visceral larva migrans
- Vitiligo
- Volkmann’s ischemic contracture
- Volvulus - childhood
- Von Gierke disease
- Von Willebrand disease
- Vulvitis
- Vulvovaginitis
- Waardenburg syndrome
- Warts
- Waterhouse-Friderichsen syndrome
- Wax blockage
- Wegener’s granulomatosis
- Wernicke-Korsakoff syndrome
- West Nile virus
- Whipple’s disease
- Whipworm infection
- Williams syndrome
- Wilms tumor
- Wilson's disease
- Wolff-Parkinson-White syndrome
- Xanthoma
- Xeroderma pigmentosa
- Xerosis
- Yaws
- Yellow fever
- Zollinger-Ellison syndrome
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