palpitations

/P AE0 L P IH0 T EY1 SH AH0 N Z/
noun
  1. 1

    An abnormal beating of the heart that may be perceived by the patient, a result of excitement, exertion, or illness.

Source: https://en.wiktionary.org/wiki/palpitation, https://en.wiktionary.org/wiki/palpitations