Completely updated and revised! A comprehensive yet concise resource for diagnosing and treating the most common gastroenterology, hepatology, and nutrition issues. Focusing on disorders that you are the most likely to encounter, Essential Pediatric Gastroenterology, Hepatology, and Nutrition, Second Edition enables you to assess and interpret presenting signs and symptoms and formulate an effective plan for management.  Providing an effective combination of concise text and useful summary features, chapter content is clearly organized into four easily digestible sections:  •  Approach to Main Symptoms includes algorithms providing diagnostic and/or therapeutic approach to commonly encountered signs and symptoms  •  Main GI Diseases offers series of disorders individually described, including definition, epidemiology, pathogenesis, clinical presentations, diagnosis, and treatment  •  Less Frequently Encountered GI Diseases describes rare disorders pediatric residents may encounter during their rotation  •  Commonly Used Drugs, Tests, and Techniques familiarizes you with frequently used drugs, imaging, and invasive diagnostic techniques, tests, and how they apply to GI disorders  From GI problems in the newborn, infectious diarrhea, and constipation to gastro-esophageal reflux, cystic fibrosis, and celiac disease, Essential Pediatric Gastroenterology, Hepatology, and Nutrition, Second Edition provides everything you need to master all facets of this important subject.