ventricular pacemaking

例句：

1. 1. The patient was given a ventricular pacemaker to regulate his heart rate.
   患者被植入了心室起搏器以调节他的心率。
2. 2. The pacemaker is designed to help the patient maintain a steady heart rhythm.
   起搏器的设计是为了帮助患者保持稳定的心律。
3. 3. During surgery, the surgeon implanted a pacemaker in the patient's chest to prevent arrhythmias.
   在手术期间，外科医生在患者的胸部植入了起搏器以防止心律失常。