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. 2024 Apr 19;5(2):e13123. doi: 10.1002/emp2.13123

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© 2024 The Authors. Journal of the American College of Emergency Physicians Open published by Wiley Periodicals LLC on behalf of American College of Emergency Physicians.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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(A) Stepwise approach for ruling out positive traumatic abdominal computed tomography (CT) by sonography. Focused abdominal sonography (FOCUS) looks for intraabdominal free fluid and perirenal hematoma, ultrasound (US) looks at solid organ parenchyma in B‐mode, and contrast enhanced ultrasound (CEUS) looks at solid organ parenchyma using contrast enhancement. (B) Posterior probability of positive abdominal CT according to FOCUS, US, and CEUS results in our population. BAT, blunt abdominal trauma; Pr, Probability.