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Patients with hemodynamic instability and pelvic fracture are at risk for active intraperitoneal hemorrhage, and thus diagnostic peritoneal aspiration (DPA) or ultrasound examination is performed to determine the need for immediate laparotomy. If intraperitoneal hemorrhage is not identified, unstable patients undergo diagnostic and therapeutic pelvic angioembolization. In a retrospective, observational cohort analysis, researchers evaluated the accuracy of the Focused Assessment with Sonography for Trauma (FAST) in patients with more than one of the following risk factors for hemorrhage: age ≥55 years, systolic blood pressure <100 mm Hg, and unstable pelvic fracture pattern (lateral compression type 3, anteroposterior compression types 2 an…