If you're having heart palpitations, however, that's another story.
"Palpitations can mean different things to different people," says Dr. Jay Sengupta, a cardiac electrophysiologist with the Minneapolis Heart Institute at Abbott Northwestern Hospital in Minneapolis. "But in general, it typically refers to some awareness of one's heartbeat, and it could mean that their heartbeat is skipping, or it could be racing," says Sengupta, who treats heart rhythm disorders. Read the full story online at health.usnews.com.