Book excerpt: Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. EXCEL ON THE USMLE® STEP 1 WITH HELP FROM THE WORLD’S MOST POPULAR MEDICAL REVIEW BOOK! Trust First AidTM to help you score your highest on this high-stakes exam Written by students who excelled on the Step 1 exam and reviewed by top faculty for accuracy, this indispensable guide provides you with a blueprint of all the content you’re likely to find on the exam. Packed with insider advice for students from students, First Aid for the USMLE® Step 1 2020 will help maximize your study time. Features A complete framework for USMLE Step 1 preparation 1,300+ must-know topics with mnemonics to focus your study 1,000+ color photos and illustrations to help you visualize processes, disorders, and clinical findings Rapid Review section presents high-yield tables associating diseases with their clinical findings, treatments, and pathophysiology Updated every year to ensure all content is relevant and high-yield, reflecting the most current USMLE blueprint