First Aid for the USMLE Step 1 2023

First Aid for the USMLE Step 1 2023, 33rd Edition, is a preparatory textbook designed for medical students studying for the USMLE Step 1 examination. Revised to reflect the updated test plan, the guide provides a structured framework covering essential scientific and clinical subjects.

The volume organizes foundational biomedical sciences alongside major human organ systems. Core areas of study include disciplines such as pathology and pharmacology, paired with systemic overviews addressing cardiovascular, respiratory, and neurological health.

Written by students who excelled on the examination and reviewed by medical faculty to ensure accuracy, the book incorporates practical test-taking advice to assist candidates with their study preparation.