Methods MTWA was assessed in 45 healthy volunteers and 82 patients with suspected ventricular arrhythmias(48 with documented ventricular tachycardia)with spectral domain using Cambridge Heart Heartwave TM system.

• 方法用system剑桥心脏诊断系统(Cambridge Heart.；HeartwaveTM)；以频谱法检测45例健康志愿者及82例可疑室性心律失常者(其中有资料记载的室速48例)的MTWA。