This issue of Emergency Medicine Clinics, edited by Drs. Joseph Martinez and Autumn Graham, focuses on Abdominal and Gastrointestinal Emergencies. Articles include: Gastrointestinal Bleed; Abdominal pain in the Immuncompromised Patient Lower Abdominal Pain: Diverticulitis, Colitis, Inflammatory Bowel Disease and Appendicitis;Acute Abdominal Pain in the Bariatric Surgery Patient;The Vomiting Patient: Bowel Obstruction, Cyclic Vomiting and Gastroparesis; Diarrhea; Non-abdominal Abdominal Pain;Evidence Based Approach to Abdominal Pain;Abdominal Pain in the Geriatric Patient; Abdominal Pain in...