目的：比较通气蛐灌注(V - P)显像和螺旋ct血管成像(SCTA)对肺栓塞(PE)诊断的临床价值。

Objective: To evaluate the clinical capability of ventilation-perfusion (V-P) scintigraphy and spiral ct angiography (SCTA) in the diagnosis of pulmonary embolism (PE).

目的：比较通气蛐灌注(V - P)显像和螺旋ct血管成像(SCTA)对肺栓塞(PE)诊断的临床价值。

Objective: To evaluate the clinical capability of ventilation-perfusion (V-P) scintigraphy and spiral ct angiography (SCTA) in the diagnosis of pulmonary embolism (PE).