First Aid for the USMLE Step 1 2027

The time-tested, most popular board prep resource―updated to reflect the newest Step 1 exam

First Aid for the USMLE® Step 1 was designed to mirror the concepts and content you’ll encounter on this critical exam. Written by top-performing students and reviewed by expert faculty, the guide delivers the high-yield, exam-focused content you need in a clear, efficient format that makes studying smarter and more effective.

This edition includes more than 1,000 full-color clinical images, with expanded representation of diverse patient populations, along with over 1,300 high-yield facts and memory aids organized by foundational sciences and organ systems. Practical test-taking strategies and exam-focused guidance are featured throughout.

Comprehensive, accurate, and relentlessly focused on what matters most, this indispensable guide remains the go-to resource for Step 1 preparation.