palpitation

The vague breathing of the storm was audible; the silence was broken by an obscure palpitation.

When Tabea was admitted to the cell, and stood before the revered Friedsam, she felt an unexpected palpitation.

My lungs with difficulty performed their office, and my heart was affected with violent palpitation.

It produces a sort of palpitation that one hardly knows whether to call wretched or delightful.

From his earliest years, we learn, he was subject to palpitation and nervous excitement.