英语语法分析

Objective To study the stability of injection of propafenone hydrochloride.

目的考察盐酸普罗帕酮注射液的稳定性。

Other drugs such as flecainide and propafenone can help maintain a normal rhythm.

其他药物，如氟卡尼和普罗帕酮可以帮助维护正常的节奏。

Conclusion Betaloc in combination with diltiazem is superior to propafenone in treating paf.

结论倍他乐克与盐酸地尔硫联合治疗阵发性房颤疗效优于普罗帕酮。