Highlights & Basics
- Acute diverticulitis typically presents with left lower quadrant abdominal pain, often together with fever and leukocytosis.
- Laboratory test results are not consistently reliable and computed tomography scan is the imaging modality of choice for acute diverticulitis.
- Complications of diverticulitis include perforation, abscess, peritonitis, fistula, stricture, obstruction, or chronic inflammation.
- Treatment for acute diverticulitis may include bowel rest, analgesics, antibiotics, and surgical intervention.
- Diverticulosis is the presence of diverticula without symptoms. It is usually an incidental finding and requires no treatment, although patients may benefit from dietary changes to reduce the risk of progression to diverticulitis.
Quick Reference
History & Exam
Key Factors
Other Factors
Diagnostics Tests
Treatment Options
Definition
Epidemiology
Etiology
Pathophysiology
Citations
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Sartelli M, Weber DG, Kluger Y, et al. 2020 update of the WSES guidelines for the management of acute colonic diverticulitis in the emergency setting. World J Emerg Surg. 2020 May 7;15(1):32.[Abstract][Full Text]
Stollman N, Smalley W, Hirano I; AGA Institute Clinical Guidelines Committee. American Gastroenterological Association Institute guideline on the management of acute diverticulitis. Gastroenterology. 2015 Dec;149(7):1944-9.[Abstract][Full Text]
Peery AF, Shaukat A, Strate LL. AGA clinical practice update on medical management of colonic diverticulitis: expert review. Gastroenterology. 2021 Feb;160(3):906-11.e1.[Abstract][Full Text]
American College of Radiology. ACR appropriateness criteria: left lower quadrant pain. 2023 [internet publication].[Full Text]
Qaseem A, Etxeandia-Ikobaltzeta I, Lin JS, et al; Clinical Guidelines Committee of the American College of Physicians. Diagnosis and management of acute left-sided colonic diverticulitis: a clinical guideline from the American College of Physicians. Ann Intern Med. 2022 Mar;175(3):399-415.[Abstract][Full Text]
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