Features of first aid for the usmle step 1 2121 edition a complete framework for usmle step 1 preparation annually updated with crowdsourced contributions from thousands of students updated exam preparation advice for usmle step 1 pass fail step 1 blueprint changes and covid 19 impacts new section on communication skills reflects the latest step 1 content new focus on diversity equity . First aid for usmle step 1 is arguably the most important study resource for the usmle step 1 exam alongside your favorite qbank of course together first aid and a well established qbank like uworld can help both struggling students pass step 1 and high achievers score 260 . Chapters are keyed to dr les first aid for the usmle step 1 which allows you to simultaneously study cases and master high yield facts from the 1 rated resource for step 1 exam prep everything you need to excel on exam day 350 updated cases prepare you to anticipate commonly tested concepts on the usmler step 1 active learning questions and answers reinforce important concepts a new . First aid rx usmle step 1 this is first aid rx usmle step 1 course 307 lessons chapter 1 behavioral science development aging 1 chapter no 1 developaging trial video buy membership to unlock complete course 1 lessons chapter 2 behavioral science epidemiology biostatistics 6 chapter no 2 epibiostat p1 epibiostat p2 epibiostat p3 trial video buy membership to unlock