palpitation due to alarm

例句：

1. 1. He experienced a palpitationwhen he heard the news.
   他听到这个消息时感到一阵心悸。
2. 2. She was having apalpitation and needed to lie down.
   她感到一阵心悸，需要躺下来。
3. 3.Palpitations can be caused by stressor anxiety.
   心悸可能是由于压力或焦虑引起的。