【名词&注释】
多普勒(doppler)、肺动脉(pulmonary artery)、室间隔缺损(ventricular septal defect)、可能性(possibility)、肺栓塞(pulmonary embolism)、肺气肿(emphysema)
[单选题]肺灌注显像示2个或以上肺段的灌注稀疏、缺损区大于异常的肺通气或X线胸片,可能为
A. 肺栓塞(pulmonary embolism)可以排除
B. 肺栓塞(pulmonary embolism)更低度可能性
C. 肺栓塞(pulmonary embolism)低度可能性
D. 肺栓塞(pulmonary embolism)中度可能性
E. 肺栓塞(pulmonary embolism)高度可能性