1.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。
2.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.