Ace your USMLE Step 1 with the newly revised Fifth Edition of Underground Clinical Vignettes: Pathophysiology II. This essential study guide from The Bookish Owl features 100 realistic patient cases covering GI, Neurology, Rheumatology, and Endocrinology. Each vignette guides you from chief complaint to diagnosis and treatment, highlighting critical buzzwords in history, exam, labs, imaging, and pathology. Emphasizing pathogenesis, epidemiology, differential diagnosis, and management, this edition includes radiologic images, photos, tables, and algorithms. The innovative two-page format encourages active learning, allowing you to diagnose before revealing the answer. Concludes with 20 new board-style questions to solidify your preparation. Perfect for medical students seeking to master clinical reasoning and excel on exams.