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本文通过观察参松养心胶囊联合美托洛尔治疗不同病因室性期前收缩疗效与安全性，从而得出结论：参松养心胶囊联合美托洛尔治疗室性期前收缩临床疗效好，且无严重不良反应。“,”This paper investigates the ef icicay and safety of Shen Song Yang Xin Capsule combining with Metoprolol Tartrate Tables in treating Ventricular Premature Beat,draws a conclucion:Shen Song Yang Xin Capsule combining with Metoprolol Tartrate Tables in treating elderly patients with premature ventricular beats has good clinical therapeutic ef ects and no serious side ef ects.