DIVERTICULITIS VITALIY POYLIN CASE SCENARIO A 47-year-old man presents to the emergency room with 3 days of abdominal pain. The pain is localized in the left lower quadrant and suprapubic…

LARGE-BOWEL OBSTRUCTION STEPHEN GONDEK & KATHRYN L. BUTLER CASE SCENARIO An 84-year-old woman with a history of Parkinson’s disease presents to the emergency department with mental status changes and progressive…

HERNIAS ALEXANDER T. HAWKINS & DAVID W. RATTNER CASE SCENARIO A 74-year-old man presents to the emergency department with nausea, vomiting, and altered mental status. His wife states that he…

DIAPHRAGMATIC INJURY DAVID R. KING, ALI Y. MEJADDAM, ANDREAS V. LARENTZAKIS, & LAURA L. AVERY CASE SCENARIO A 22-year-old man was brought to the emergency department (ED) after a motor…

ACUTE CHOLECYSTITIS DAISY CHOU, HEIDI REICH, & NICOLAS MELO CASE SCENARIOS Case 1 A 45-year-old obese woman presents to the emergency department with a 1-day history of constant right-sided abdominal…

MESENTERIC ISCHEMIA LARS STANGENBERG & MARK C. WYERS CASE SCENARIO A 59-year-old woman with a past medical history of smoking, hypertension, and claudication was transferred from an outside hospital for…

ANORECTAL ABSCESS ALEXANDER T. HAWKINS & LILIANA BORDEIANOU CASE SCENARIO A 45-year-old man with a past medical history of hypertension presents to the emergency room with a 2-day history of…

ACUTE APPENDICITIS KATHRYN L. BUTLER CASE SCENARIO A 27-year-old woman with no past medical history presents to the emergency room with 24 hours of abdominal pain. The day prior to…

BILIARY OBSTRUCTION LAURA M. MAZER & TARA S. KENT CASE SCENARIO A 62-year-old man presents to the emergency room with a complaint of dull epigastric pain. The pain has been…