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Background and Hypothesis: Computed Tomography of the pulmonary arteries (CTPA) is the most common imaging modality for evaluating patients for suspected pulmonary embolism (PE), but carries the risk of acute kidney injury (AKI) from contrast media exposure. In appropriately selected patients, ventilation scintigraphy (VQ) imaging is a diagnostically equivalent alternative. We hypothesized that physician perceptions of diagnostic accuracy and study availability contribute to under-utilization of VQ imaging.

Physician Receptiveness of Ventilation-Perfusion Imaging in a Randomized Clinical Trial