Left ventricular wall motion,BP,HR and ECG were recorded during the procedure,positive criterion was defined as the appearance and worsening of wall notion abnormality(WMA).

• 注射过程中观察和记录室壁运动变化、血压、心率及心电图。 左室16节段中出现新的或更严重的室壁节段运动异常 (WMA)为阳性。