A multicenter study by the PIOPED III Investigators has shown that magnetic resonance angiography (MRA) can be used to detect pulmonary embolism ... with spiral CT, now the gold standard, shows ...

Ultrasound is not necessary when computed tomography is performed. The role of venous duplex ultrasound (US) of the legs in patients with suspected pulmonary embolism (PE) is not clear with the ...

National guidance said that either a VQ or CTPA [CT Pulmonary Angiogram] could be undertaken and on this occasion, a VQ scan ...