Her MUGA had an ejection fraction of 19% with no focal wall motion abnormalities.

放射性核素活动血管扫描结果提示射血分数为19％无局部心室壁运动异常。

Broken heart syndrome is characterized by normal coronary arteries, regional wall motion abnormalities that extend beyond a single coronary vascular bed and often a precipitating stressor.

心碎综合征的特征是冠状动脉正常，局部壁运动异常，延伸到单个冠状动脉血管床之外，通常是一个沉淀性的应激源。