palpitation

1. An abnormal beating of the heart that may be perceived by the patient, a result of excitement, exertion, or illness.
   • 1818, [Mary Shelley], chapter IV, in Frankenstein; or, The Modern Prometheus. In Three Volumes, volume I, London: Printed [by Macdonald and Son] for Lackington, Hughes, Harding, Mavor, & Jones, OCLC 830979744 ↗, [https://babel.hathitrust.org/cgi/pt?id=emu.010001278701;view=1up;seq=118 pages 101–102]:

     Sometimes my pulse beat so quickly and hardly, that I felt the palpitation of every artery; at others, I nearly sank to the ground through languor and extreme weakness.

• French: palpitation
• German: Herzklopfen, Palpitation
• Portuguese: palpitação
• Russian: сильный
• Spanish: palpitación