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Risk stratification algorithms for patients with suspected pulmonary embolism (PE) can reduce unnecessary computed tomography (CT) scans, but some criteria in these algorithms are subjective. In an observational multicenter Italian study, investigators assessed whether the addition of point-of-care lung and venous ultrasound increased the diagnostic performance of Wells criteria in patients undergoing risk stratification for PE.
The presence or absence of ultrasound findings consistent with deep vein thrombosis (DVT) and pneumonia, pleural effusion, or other interstitial disease were used to recalculate the Wells score. In the ultrasound-enhanced Wells score, the traditional criterion “signs and symptoms of DVT” was replaced with “venous ult…