atrioventricular sequential pacemaker'

例句：

1. 1. The patient was successfully implanted with an atrial pacemaker to regulate his heart rate.
   患者成功地植入了心房起搏器来调节他的心率。
2. 2.The device is designed to monitor the patient's heart rhythm and provide feedback for the physician to adjust the pacemaker settings.
   该设备旨在监测患者的心律，并向医生提供反馈，以便调整起搏器设置。
3. 3. The patient's condition improved significantly after the successful implantation of the atrial pacemaker.
   在成功植入心房起搏器后，患者的病情显著改善。