Atrial fibrillation and sinus tachycardiac may worsen hemodynamic change and heart function.

房和窦加重流力学改变和使心功能恶化。

Objective To evaluate the efficacy and safety of intravenous diltiazem and cediland (lanatoside C) for treatment of rapid ventricular rate in atrial fibrillation and flutter.

目的观察和比较静脉注射地尔硫、毛花甙C控制快心房（房）和心房扑（房扑）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心房(简称房)并性心力衰竭(心衰)患者心室率的即时效应及安全性。