echocardiography

Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.

24%的胎存在生理性三尖瓣返流,动脉阻力普遍较高,胎动脉导管血流单动脉流降主动脉,显色明亮。

Conculsion The level of the abnormal MBF reserve in stenosed coronary artery may be the mainly physiopathologic basis of dipyridamole stress echocardiography in detecting coronary stenosis.

结论狭窄冠脉MBF储备的异常程度可能是双嘧达莫负荷超评价冠脉狭窄的主要病理生理基础。