USMLE Step 3 Practice by Topic
Select an organ system below to access free board-style practice questions, high-yield clinical FAQs, and related study resources. All 15 Step 3 topic areas covered.
Cardiology
Cardiovascular disease is one of the highest-yield areas on USMLE Step 3, spanning acute coronary syndromes, heart failure, arrhythmias, and valvular disease.
Pulmonology
Pulmonary medicine on USMLE Step 3 includes obstructive and restrictive lung diseases, acute respiratory failure, pulmonary embolism, and pneumonia management.
Neurology
Neurology questions on USMLE Step 3 cover stroke management, seizures, headache syndromes, movement disorders, and dementia.
Gastroenterology
Gastroenterology is heavily tested on USMLE Step 3, covering GI bleeding, inflammatory bowel disease, liver disease, pancreatitis, and colorectal cancer screening.
Nephrology
Nephrology on USMLE Step 3 covers acute kidney injury, chronic kidney disease, glomerulonephritis, electrolyte disorders, and acid-base physiology.
Endocrinology
Endocrinology on USMLE Step 3 spans diabetes management, thyroid disorders, adrenal emergencies, and pituitary diseases.
Hematology
Hematology on USMLE Step 3 covers anemias, coagulation disorders, leukemias, lymphomas, and thrombocytopenia.
Rheumatology
Rheumatology on USMLE Step 3 covers inflammatory arthritis, connective tissue diseases, crystal arthropathies, and vasculitis.
Infectious Disease
Infectious disease is one of the broadest and highest-yield areas on USMLE Step 3.
Dermatology
Dermatology on USMLE Step 3 focuses on recognizing skin manifestations of systemic diseases, managing common inflammatory conditions, and identifying malignant lesions.
Psychiatry
Psychiatry on USMLE Step 3 covers diagnosis and management of mood disorders, psychosis, anxiety disorders, substance use, and psychiatric emergencies.
Obstetrics & Gynecology
Obstetrics and gynecology on USMLE Step 3 covers prenatal care, obstetric emergencies, labor management, gynecological cancers, and contraception.
Pediatrics
Pediatrics on USMLE Step 3 covers well-child care, developmental milestones, childhood infections, neonatal emergencies, and management of common pediatric illnesses.
Surgery
Surgery on USMLE Step 3 covers perioperative management, acute abdominal emergencies, trauma, wound care, and surgical complications.
Emergency Medicine
Emergency medicine on USMLE Step 3 covers the initial evaluation and stabilization of critically ill and injured patients.