USMLE Step 3 Study Guide

Biostatistics, Epidemiology, and Evidence-Based Medicine

Interpreting clinical studies, calculating NNT/NNH, sensitivity/specificity, and applying evidence to independent patient care decisions.

Ethics, Patient Safety, and Healthcare Systems

Navigating informed consent, advance directives, medical errors, quality improvement, and medicolegal issues in outpatient practice.

Ambulatory Preventive Medicine and Health Maintenance

Age-appropriate screening guidelines, immunizations, counseling, and risk factor modification for primary care populations.

Cardiovascular Disease Management

Outpatient hypertension, heart failure, arrhythmias, and acute coronary syndrome stabilization with appropriate triage decisions.

Pulmonary and Critical Care Essentials

Managing asthma, COPD exacerbations, pneumonia, and recognizing respiratory failure requiring escalation of care.

Endocrine and Metabolic Disorders

Diabetes management, thyroid disease, adrenal disorders, and metabolic emergencies including DKA and hypoglycemia.

Gastrointestinal and Hepatic Conditions

Evaluating abdominal pain, GI bleeding, liver disease, and appropriate outpatient versus emergency management strategies.

Renal, Electrolyte, and Acid-Base Disorders

Managing acute kidney injury, chronic kidney disease progression, electrolyte abnormalities, and dialysis indications.

Infectious Disease and Antimicrobial Stewardship

Outpatient infections, HIV management, antibiotic selection, and recognizing sepsis requiring emergency intervention.

Neurology, Psychiatry, and Behavioral Health

Stroke evaluation, seizure management, depression, anxiety, substance use disorders, and psychiatric emergencies.

Women's Health, Obstetrics, and Pediatric Emergencies

Prenatal care, obstetric emergencies, contraception counseling, and pediatric presentations requiring urgent management.

CCS Case Simulation Strategy and Real-Time Management

Mastering order entry timing, interval reassessment, location changes, and efficient case progression for optimal scoring.