Acute Abdominal Emergencies: A Comprehensive Clinical Guideline

Evidence-based guideline for evaluation and management of surgical and non-surgical abdominal emergencies including appendicitis, cholecystitis, pancreatitis, bowel obstruction, and mesenteric ischemia.

4 articles Updated Mar 2026

Acute Abdominal Emergencies — Part 4: Perforated Peptic Ulcer, Mesenteric Ischemia, Vascular Emergencies & Special Populations

Comprehensive guide to perforated peptic ulcer with Boey score, mesenteric ischemia types and management, ruptured AAA emergency management, ectopic pregnancy evaluation and treatment, and special populations including pediatric, elderly, immunocompromised, and pregnant patients.

Acute Abdominal Emergencies — Part 3: Small Bowel Obstruction, Large Bowel Obstruction & Diverticulitis

Comprehensive guide to adhesive small bowel obstruction with CT findings, conservative management, water-soluble contrast challenge, and surgical indications; large bowel obstruction including volvulus and Ogilvie syndrome; and diverticulitis with Hinchey classification, DIABOLO trial evidence, and surgical decision-making.

Acute Abdominal Emergencies — Part 2: Acute Cholecystitis, Cholangitis & Acute Pancreatitis

Comprehensive guide to acute cholecystitis with Tokyo Guidelines severity grading, cholangitis management, ERCP indications, and acute pancreatitis with Revised Atlanta Classification, BISAP score, Ranson criteria, CTSI/Balthazar score, fluid resuscitation, nutrition, and necrotizing pancreatitis management.

Acute Abdominal Emergencies — Part 1: Systematic Approach to Acute Abdominal Pain & Appendicitis

Structured approach to acute abdominal pain evaluation including history, physical exam, differential diagnosis by pain location, laboratory and imaging strategy, and comprehensive appendicitis management with Alvarado score, AIR score, and CODA trial evidence.