Acta radiologica
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Ventilation perfusion single photon emission computed tomography (V/Q SPECT) and CT pulmonary angiography have all been used in the diagnosis of acute PE. Previous studies have shown higher sensitivity and specificity and a marked decrease in the non-diagnostic rate of V/Q SPECT than planar scan. ⋯ V/Q SPECT is an accurate method in acute PE patients with high sensitivity and high specificity in the diagnosis of PE.