swift pulse

例句：

1. 1. He felt a sudden swift pulse in his chest.
   他感到一阵突然的快速脉搏。
2. 2. Doctors often use this test to diagnose heart conditions.
   医生经常使用这个测试来诊断心脏疾病。
3. 3. The patient's swift pulse indicated that he was in shock.
   病人的快速脉搏表明他处于休克状态。