Heart palpitations (pal-pih-TAY-shuns) are feelings of having a fast-beating, fluttering or pounding heart. Stress, exercise, medication or, rarely, a medical condition can trigger them. Although heart palpitations can be worrisome, they're usually harmless.

What does my heart flutter mean?

This fleeting feeling like your heart is fluttering is a called a heart palpitation, and most of the time it's not cause for concern. Heart palpitations can be caused by anxiety, dehydration, a hard workout or if you've consumed caffeine, nicotine, alcohol, or even some cold and cough medications.

Is it normal to feel your heart flutter?

Your heart may feel like it's pounding, fluttering or beating irregularly, often for just a few seconds or minutes. You may also feel these sensations in your throat or neck. Palpitations may seem alarming, but in most cases they're harmless and are not a sign of a serious problem.