J Emerg Med
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We lack noninvasive and effective methods for evaluating origin of pelvic hemorrhage. Contrast-enhanced ultrasound (CEUS) may be a prospective method. ⋯ The accuracy of CEUS in detecting active bleeding of peritoneal artery was high. Pulsed Doppler guided by CEUS was able to distinguish arterial from venous blood flow and to exhibit the velocity changes.