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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Predictive value of a false-negative focused abdominal sonography for trauma (FAST) result in patients with confirmed traumatic abdominal injury

Fig. 1

Flowchart of patient inclusion. Out of all 2301 consecutive patients who underwent FAST within a 26-month period at our institution, 314 underwent abdominal CT. Of 97 patients who were included in this study, 96 underwent abdominal CT, while 1 was not sufficiently hemodynamically stable to undergo abdominal CT, and this patient underwent immediate subsequent surgery. All other 96 patients with confirmed abdominal injury who were included in this study underwent abdominal CT after FAST. Also note that when considering the entire group of patients who undergoes FAST, patients with a negative FAST will have a better outcome than those with a positive FAST, regardless of whether they actually have abdominal injury or not. However, before doing this study, it was unclear if FAST has any value in predicting outcome in patients who actually do have abdominal injury. This was the reason of excluding patients without confirmed abdominal injury

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