Objective:To compare the sensitivity rate of the ventilation-perf usion scintigraphy (V/P) and CT angiography (CTA) in the diagnosis of pulmonary embolism (PE).

• 目的评价肺灌注/通气显像与螺旋CT肺动脉造影诊断肺栓塞各自的敏感性。 方法以肺动脉造影为金标准,并按不同栓塞部位分为叶及段肺动脉、亚段肺动脉两组;