The Acute Abdomen: A 2026 Clinical Update on Evaluation, Emergency Causes, and Management
The acute abdomen remains one of the most challenging presentations in emergency medicine, with a wide differential diagnosis ranging from self-limiting gastroenteritis to immediately life-threatening conditions like ruptured aortic aneurysm or perforated viscus. The cornerstone of effective management begins with the immediate assessment of hemodynamic stability and the identification of patients requiring urgent surgical intervention. This updated review integrates recent evidence and guidelines, emphasizing a structured approach to history taking, physical examination, and the strategic use of laboratory tests and imaging to differentiate surgical from non-surgical causes, ultimately guiding timely and appropriate management to reduce morbidity and mortality
The acute abdomen is defined as a clinical syndrome characterized by the sudden onset of severe abdominal pain that necessitates urgent diagnostic evaluation and often surgical or medical intervention. This presentation accounts for a significant proportion of emergency department visits, with a reported 25-30% of these patients ultimately requiring surgical intervention . Despite advances in diagnostics, the rapid assessment and accurate triage of these patients remain a formidable clinical challenge.
The 2026 Adult Acute Abdomen Diagnosis and Treatment Emergency Expert Consensus, published by the Chinese College of Emergency Physicians, emphasizes that a structured approach is paramount to reducing misdiagnosis and improving outcomes . This approach integrates a swift clinical assessment, a targeted history, and a focused…
Reviewed by the LibraryMedicine.com Clinical Editorial Board. Our authors are practicing physicians and medical educators dedicated to delivering evidence-based, up-to-date clinical guides.
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