The Lecturio Medical Concept Library

Abdominal Aortic Aneurysms

Achalasia

Acne Vulgaris

Acoustic Neuroma

Acromegaly and Gigantism

Actinic Keratosis

Acute Bronchitis

Acute Cholangitis

Acute Kidney Injury

Acute Lymphoblastic Leukemia

Acute Myeloid Leukemia

Acute Otitis Media

Acute Pancreatitis

Acute Respiratory Distress Syndrome (ARDS)

Adrenal Insufficiency and Addison’s Disease

Albinism

Alcoholic Liver Disease

Alopecia

Alport Syndrome

Alzheimer Disease

Amyloidosis

Amyotrophic Lateral Sclerosis

Anal Cancer

Anal Fissure

Anal Fistula

Anemia: Overview and Types

Angioedema

Ankylosing Spondylitis

Anomalies of the Cornea

Anterior Cord Syndrome

Anthrax

Antineutrophil Cytoplasmic Antibody (ANCA)-Associated Vasculitis

Antiphospholipid Syndrome

Aortic Dissection

Aortic Regurgitation

Aortic Stenosis

Aplastic Anemia

Appendicitis

Arrhythmogenic Right Ventricular Cardiomyopathy

Ascites

Asplenia

Asthma

Astrocytoma

Ataxia-telangiectasia

Atelectasis

Atherosclerosis

Atopic Dermatitis (Eczema)

Atrial Fibrillation

Atrial Flutter

Atrioventricular block (AV block)

Atypical Parkinsonian Syndromes

Autoimmune Hemolytic Anemia

Autoimmune Hepatitis

Autosomal dominant polycystic kidney disease (ADPKD)

Autosomal Recessive Polycystic Kidney Disease (ARPKD)

Barrett’s Esophagus

Bartter Syndrome

Basal Cell Carcinoma (BCC)

Becker Muscular Dystrophy

Benign Bone Tumors

Benign Liver Tumors

Benign Prostatic Hyperplasia

Benign Vulvar Conditions

Blepharitis

Botulism

Bowen Disease and Erythroplasia of Queyrat

Bowenoid Papulosis

Brachial Plexus Injuries

Bradyarrhythmias

Brain Abscess

Brain Aneurysms

Brain Death

Bronchiectasis

Bronchiolitis Obliterans

Brown-Séquard Syndrome

Budd-Chiari Syndrome

Bullous Pemphigoid and Pemphigus Vulgaris

Bundle Branch and Fascicular Blocks

Carcinogenesis

Carcinoid Tumors and Syndrome

Cardiac Myxoma

Cardiomyopathy: Overview and Types

Carotid Artery Stenosis

Carpal Tunnel Syndrome

Cataracts in Adults

Celiac Disease

Cell Injury and Death

Cellular Accumulations

Cellular Adaptation

Cellulitis

Central Cord Syndrome

Cerebellar Disorders

Chalazion

Chancroid

Chlamydial Infections

Cholecystitis

Cholelithiasis

Chondrosarcoma

Chorioretinitis

Chronic Diabetic Complications

Chronic Eosinophilic Leukemia

Chronic Kidney Disease

Chronic Lymphocytic Leukemia

Chronic Myeloid Leukemia

Chronic Obstructive Pulmonary Disease (COPD)

Chronic Pancreatitis

Chronic Venous Insufficiency

Cirrhosis

Clavicle Fracture

Cluster Headaches

Colon Polyps

Colorectal Cancer

Coma

Complex Regional Pain Syndrome (CRPS)

Condylomata Acuminata (Genital Warts)

Congestive Heart Failure

Conjunctivitis

Constipation

Cor Pulmonale

Corneal Abrasions, Erosion, and Ulcers

Coronary Heart Disease

Cowden Syndrome

Cranial Nerve Palsies

Craniopharyngioma

Crohn’s Disease

Croup

Cryptorchidism

Cushing Syndrome

Cystic Fibrosis

Dacryocystitis

Deep Vein Thrombosis

Delirium

Dermatomyositis

Diabetes Insipidus

Diabetes Mellitus

Diarrhea

Diarrheagenic E. coli

Diffuse Proliferative Glomerulonephritis

Dilated Cardiomyopathy

Diphtheria

Diseases of the Salivary Glands

Diseases of the Uvea

Diseases of the Vitreous Body

Dissection of the Carotid and Vertebral Arteries

Disseminated Intravascular Coagulation

Distal Radius Fractures

Diverticular Disease

Donovanosis

Drug-induced Liver Injury

Duchenne Muscular Dystrophy

Dysphagia

Dystonia

Edema

Ehlers-Danlos Syndrome

Eicosanoids

Elbow Dislocation

Encephalitis

Endocarditis

Endophthalmitis

Enteric Fever (Typhoid Fever)

Ependymoma

Epididymitis and Orchitis

Epidural Hemorrhage

Epiglottitis

Epilepsy

Erectile Dysfunction

Erysipelas

Erythema Multiforme

Erythema Nodosum

Esophageal Cancer

Esophagitis

Essential Thrombocythemia

Ewing Sarcoma

Exocrine Pancreatic Cancer

Extremity and Visceral Aneurysms

Familial Adenomatous Polyposis

Familial Juvenile Polyposis

Fever

Fibromuscular Dysplasia

Fibromyalgia

Gas Gangrene

Gastric Cancer

Gastrinoma

Gastritis

Gastroenteritis

Gastroesophageal Reflux Disease (GERD)

Gastrointestinal Bleeding

Genu Valgum

Genu Varum

Giant Cell Arteritis

Gitelman Syndrome

Glaucoma

Glioblastoma Multiforme

Glucagonoma

Glucose-6-phosphate Dehydrogenase (G6PD) Deficiency

Goiter

Gonorrhea

Goodpasture Syndrome

Gout

Grading, Staging, and Metastasis

Granulomatosis with Polyangiitis

Graves’ Disease

Guillain-Barré Syndrome

Gynecomastia

Hairy Cell Leukemia

Hashimoto’s Thyroiditis

Hearing Loss

Hemangioblastoma

Hemolytic Anemia

Hemolytic Disease of the Fetus and Newborn

Hemophilia

Hemoptysis

Hemorrhoids

Henoch-Schönlein Purpura

Hepatic Encephalopathy

Hepatocellular Carcinoma (HCC) and Liver Metastases

Hepatorenal Syndrome

Hereditary Hemochromatosis

Hereditary Spherocytosis

Hidradenitis Suppurativa

High-Risk Headaches

Hip Fractures

Hirschsprung Disease

Hodgkin Lymphoma

Hordeolum (Stye)

Horner Syndrome

Huntington Disease

Hydronephrosis

Hyperaldosteronism

Hypercalcemia

Hypercoagulable States

Hyperkalemia

Hypernatremia

Hyperparathyroidism

Hyperprolactinemia

Hypersensitivity Pneumonitis

Hypertension

Hypertensive Retinopathy

Hypertrophic and Keloid Scars

Hypertrophic Cardiomyopathy

Hypoaldosteronism

Hypocalcemia

Hypocoagulable Conditions

Hypogonadism

Hypokalemia

Hyponatremia

Hypoparathyroidism

Hypopituitarism

Hypotension

Hypothalamus

Hypothyroidism

Ichthyosis Vulgaris

Idiopathic Intracranial Hypertension

IgA Nephropathy

Imaging of the Urinary System

Immune Thrombocytopenic Purpura

Impetigo

Increased Intracranial Pressure (ICP)

Infectious Folliculitis

Infertility

Inflammation

Insulinomas

Interferons

Interleukins

Internuclear Ophthalmoplegia

Interstitial Lung Diseases

Intestinal Ischemia

Intracerebral Hemorrhage

Intravenous Fluids

Intussusception

Ion Channel Myopathy

Iron Deficiency Anemia

Irritable Bowel Syndrome

Ischemic Cell Damage

Ischemic Stroke

Jaundice

Kawasaki Disease

Knee Dislocation

Knee Ligament Injuries

Labial and Genital Herpes

Lactose Intolerance

Lambert-Eaton Myasthenic Syndrome

Large Bowel Obstruction

Laryngitis

Lateral Medullary Syndrome (Wallenberg Syndrome)

Le Fort Fractures

Lentigo Maligna

Leprosy

Leukoplakia

Lichen Planus

Liddle Syndrome

Lipoma

Locked-in Syndrome

Long QT Syndrome

Lung Cancer

Lymphadenopathy

Lymphocytosis

Lynch syndrome

Macular Degeneration

Major Neurocognitive Disorders

Malabsorption and Maldigestion

Malignant Mesothelioma

Mallory-Weiss Syndrome (Mallory-Weiss Tear)

Malnutrition in children in resource-limited countries

MALT Lymphoma

Marfan Syndrome

Meckel’s Diverticulum

Medulloblastoma

Megacolon

Megaloblastic Anemia

Melanoma

Melasma

Membranoproliferative Glomerulonephritis

Ménière Disease

Meningioma

Meningitis

Meniscus Tear

Menopause

Metabolic Syndrome

Methemoglobinemia

Migraine Headache

Mitral Regurgitation

Mitral Stenosis

Mitral Valve Prolapse

Molluscum Contagiosum

Mononeuropathy and Plexopathy

Mononucleosis

Motor Neuron Lesions

Mpox (Monkeypox)

Multiple Endocrine Neoplasia

Multiple Myeloma

Multiple Sclerosis

Myasthenia Gravis

Myelodysplastic Syndromes

Myocardial Infarction

Myocarditis

Myotonic Dystrophies

Necrotizing Enterocolitis

Necrotizing Fasciitis

Nephritic Syndrome

Nephrolithiasis

Nephrotic Syndrome

Neuroblastoma

Neurofibromatosis Type 1

Neurofibromatosis Type 2

Neutropenia

Nevus/Nevi

Non-Hodgkin Lymphomas

Nonalcoholic Fatty Liver Disease

Nonthrombotic Embolism

Normal Pressure Hydrocephalus

Obstructive Sleep Apnea

Oligodendroglioma

Ophthalmic Exam

Oral Cancer

Orbital and Preseptal Cellulitis

Orbital Fractures

Osteoarthritis

Osteochondritis Dissecans

Osteomalacia and Rickets

Osteomyelitis

Osteoporosis

Osteosarcoma

Otitis Externa

Overview of Bone Fractures

Paget’s Disease of Bone

Pancreatic Neuroendocrine Tumors (PanNETs)

Paraneoplastic Syndromes

Parapharyngeal Abscess

Parkinson’s Disease

Paroxysmal Nocturnal Hemoglobinuria

Pediatric Gastrointestinal Abnormalities

Pelvic Fractures

Pelvic Inflammatory Disease

Penile Anomalies and Conditions

Penile Cancer

Peptic Ulcer Disease

Perianal and Perirectal Abscess

Pericarditis

Peripheral Artery Disease

Peripheral Nerve Injuries in the Cervicothoracic Region

Peripheral Nerve Injuries in the Upper Extremity

Peritoneal Dialysis and Hemodialysis

Peritonsillar Abscess

Persistent Vegetative State

Pertussis (Whooping Cough)

Peutz-Jeghers Syndrome

Pharyngitis

Pheochromocytoma

Pituitary Adenomas

Pityriasis Rosea

Pleural Effusion

Pleuritis

Pneumoconiosis

Pneumonia

Polycystic Ovarian Syndrome

Polycythemia Vera

Polymyositis

Polyneuropathy

Portal Hypertension

Posterior Cord Syndrome

Postinfectious Glomerulonephritis

Primary Amenorrhea

Primary Biliary Cholangitis

Primary Myelofibrosis

Primary Ovarian Insufficiency

Primary Sclerosing Cholangitis

Primary Skin Lesions

Primary vs Secondary Headaches

Prostate Cancer

Prostatitis

Pseudomembranous Colitis

Psoriasis

Pulmonary Embolism

Pulmonary Fibrosis

Pulmonary Hypertension

Pulmonary Regurgitation

Pupil: Physiology and Abnormalities

Pyelonephritis and Perinephric Abscess

Pyogenic Liver Abscess

Radial Head Subluxation (Nursemaid’s Elbow)

Rapidly Progressive Glomerulonephritis

Rare Malignant Liver Tumors

Raynaud’s Phenomenon

Reactive Arthritis

Rectal Prolapse

Refractive Errors

Renal Artery Stenosis

Renal Cell Carcinoma

Renal Tubular Acidosis

Restrictive Cardiomyopathy

Retinal Detachment

Retinal Vessel Occlusion

Retinoblastoma

Retinopathy of Prematurity

Retropharyngeal Abscess

Rheumatic Fever

Rheumatoid Arthritis

Rhinitis

Rosacea

Rupture of the Spleen

Sarcoidosis

Schwannoma

Scleroderma

Scoliosis

Seborrheic Dermatitis

Seborrheic Keratosis

Secondary Amenorrhea

Secondary Skin Lesions

Seizures

Septic Arthritis

Serum Tumor Markers

Sexual Abuse

Sexually Transmitted Infections (STIs)

Short Bowel Syndrome

Sick Sinus Syndrome

Sickle Cell Disease

Sideroblastic Anemia

Sinusitis

Sjögren’s Syndrome

Small Bowel Obstruction

Soft Tissue Abscess

Spinal Cord Injuries

Spinal Disk Herniation

Spinal Muscular Atrophy

Spinal Stenosis

Splenomegaly

Squamous Cell Carcinoma (SCC)

Stable and Unstable Angina

Staphylococcal Scalded Skin Syndrome (SSSS)

Stevens-Johnson Syndrome

Stomatitis

Strabismus

Sturge-Weber Syndrome (SWS)

Subarachnoid Hemorrhage

Subclavian Steal Syndrome

Subdural Hemorrhage

Supraventricular Tachycardias

Syncope

Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)

Syphilis

Systemic Lupus Erythematosus

Tachyarrhythmias

Takotsubo Cardiomyopathy

Tension Headaches

Testicular Cancer

Testicular Torsion

Tetanus

Thalassemia

The Visual Pathway and Related Disorders

Thin Basement Membrane Nephropathy (TBMN)

Thoracic Aortic Aneurysms

Thoracic Outlet Syndrome

Thromboangiitis Obliterans (Buerger’s Disease)

Thrombocytopenia

Thrombotic Thrombocytopenic Purpura

Thyroid Cancer

Thyroid Nodules

Thyroiditis

Thyrotoxicosis and Hyperthyroidism

Tonsillitis

Transient Ischemic Attack (TIA)

Tricuspid Regurgitation

Tricuspid Stenosis

Trigeminal Neuralgia

Tuberculosis

Tuberous Sclerosis

Tumor Lysis Syndrome

Tumor Necrosis Factor (TNF)

Ulcerative Colitis

Uncontrolled Hypertension

Urinary Incontinence

Urinary tract infections (UTIs)

Urinary Tract Obstruction

Urologic Cancer

Urticaria (Hives)

Varicocele, Hydrocele, and Spermatocele

Vasculitides

Vasospastic Angina

Ventricular Fibrillation (V-fib)

Ventricular Tachycardia

Vertigo

Vesicoureteral Reflux

VIPoma

Vitiligo

Volume Depletion and Dehydration

Volvulus

Von Hippel-Lindau Disease

Von Willebrand Disease

Vulvovaginitis

Whipple’s Disease

Wilms Tumor

Wilson’s Disease

Wound Healing

X-linked Hypophosphatemic Rickets

Yaws, Bejel, and Pinta