nodal extrasystole

例句：

1. 1.He experienced a nodal extrasystole during his surgery, which caused him to lose consciousness.
   他在手术中经历了一次节律异常，导致他失去意识。
2. 2. The patient's heart rate was out of sync with the rest of the body, indicating a nodal extrasystole.
   患者的心率与身体其他部分不同步，表明存在节律异常。
3. 3. Doctors suspect that the nodal extrasystole may be linked to her medication.
   医生怀疑节律异常可能与她的药物治疗有关。