MethodsThe changes of QT dispersion in 12 channel electrocardiogram of Ji An Tai Gan group (?n?=38) and the control group (?n?=22) was comparatively studied.

• 方法对 38例不稳定性心绞痛患者及 2 2例正常健康人进行同步 1 2导联心电图检查 ,并测量QT离散度 ,同时观察肌氨肽苷注射液治疗前后QT离散度的变化。