presphygmic interval

例句：

1. 1.The study found that the presphygmic interval was significantly reduced in patients with heart failure.
   研究发现，心力衰竭患者的预收缩期间隔明显缩短。
2. 2. During the presphygmic interval, the heart rate is typically slower than during the systole phase.
   在预收缩期，心率通常比收缩期慢。
3. 3. The doctor monitored the patient's heart rhythm during the presphygmic interval to ensure proper functioning of the heart.
   医生在预收缩期监测了患者的心脏节律，以确保心脏的正常功能。