Dive into a comprehensive video lecture on Inflammatory Bowel Disease (IBD), focusing on Crohn's Disease and Ulcerative Colitis, designed for USMLE STEP 2 exam preparation. Explore the causes, pathophysiology, clinical features, diagnosis, treatment, and complications of IBD. Learn about systemic involvement, diagnostic techniques, and treatment options for both Crohn's Disease and Ulcerative Colitis. Gain valuable insights into this complex gastrointestinal condition through detailed explanations and illustrations, enhancing your understanding for medical exams and clinical practice.