A heart palpitation is when you feel a fast-beating, pounding, or skipping heartbeat. Most of the time, there’s no reason to worry. But sometimes palpitations can be signs of trouble.

W hen your heart “skips a beat” it may feel like a brief flutter or flip-flop in your chest. A scary symptom that is usually harmless, that skipped beat feeling is actually an extra beat that ...

When your heart beats too fast, too slow, or skips irregularly, it is called arrhythmia. Skipping a Beat If your heart’s ever skipped a beat, you’ve had what are called heart palpitations .

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times.