Ventricular fibrillation occurred during provocation testing in 3 patients (0.66%), of whom 2 required electric cardioversion and 1 had spontaneous recovery without sequelae.

• 有3位病人检查中香生心室颤动(0.；66%25)，其中2位需要心脏电击，另1位则是自行恢复正常心跳，但都无后遗症。