1.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.

1.结论狭窄冠脉MBF储备的异常程是嘧荷超声评价冠脉狭窄的主要病理生理基础。