In this medical training video, Elena Zanchini, MD, guides viewers through a comprehensive review of gastrointestinal and hepatological issues, focusing on diagnosing conditions such as infectious diarrhea and celiac disease, as well as managing acute liver failure and autoimmune hepatitis. Through detailed case studies, Zanchini discusses patient presentations, differential diagnoses, and treatment protocols. She emphasizes the importance of pattern recognition in medical diagnostics and provides insights into specific management strategies for various GI and liver conditions.