phrenocardia

例句：

1. 1. She experienced a palpitation duringthe performance.
   她在演出时感到一阵心悸。
2. 2.The doctor diagnosed her with tachycardia.
   医生诊断她有心动过速。
3. 3.He was having palpitations due tostress.
   由于压力，他感到心悸。