'Selective strategy' recommended for CT scans in emergency departments

Emergency medicine researchers are proposing a new strategy for diagnosing a common but dangerous condition in the emergency room. With rates of computed tomography angiography (CTA) on the rise, they want to curb blanket use of the test in patients suspected of having a pulmonary embolism (PE). Instead, they recommend a selective strategy for using CTA to diagnose PE -- first testing patients for an often concomitant condition, deep vein thrombosis.

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