英语语法分析

Results The reasonable treatment was selected according to characters of ECG of ventricular extrasystole.

结果根据心电图观察室早出现的特征选择合理的治疗方法。

Methods The QT intervals of sinus excitation before and after extrasystole in 120 patients were measured and compared.

方法测定并比较不同类型早搏发生前后窦性激动的QT间期。

Objective: to probe the clinical effect of treating frequent ventricular extrasystole with Wenxin Granule and Atenolol tablet.

目的：探讨稳心颗粒联用阿替洛尔治疗频发室性早搏的临床疗效。