英语语法分析

To compare the immediate therapeutic effect and safety between esmolol and lanatoside in controlling ventricular rate for patients with rapid atrial fibrillation.

实验为了比较艾司洛尔与毛花苷控制快速心房颤动心室率的即时疗效及安全性。

Objective To evaluate the efficacy and safety of intravenous fenopraine and lanatoside C for the treatment of rapid ventricular rate in patients with atrial fibrillation and congestive heart failure.

目的比较静脉应用普罗帕酮与毛花苷丙治疗快速心房颤动（简称房颤）并发充血性心力衰竭（心衰）患者心室率的即时效应及安全性。