Harvard Women's Health Watch

What do irregular heartbeats mean?

Heart palpitations may be benign, or they may signal a serious problem. How can you tell the difference?

Songwriters will tell you that your heart can skip a beat or go pitter-patter if you're falling in love, and they may be right. But what if palpitations—the sensation that your heart is beating too hard, racing too fast, or missing beats—start for no reason whatsoever?

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