When the human body is exerted during physical activities such as workouts or a run, it is usual for the heart to beat faster than normal. However, there are times when the heartbeat can feel ...

Here are the early warning signs of an irregular heartbeat, including fast, slow, or skipped beats, and when it may signal a ...

The extreme heat that comes with summer sometimes can trigger the symptoms of an irregular heartbeat. (Image source: Fotosearch.com) The extreme heat that comes with summer sometimes can trigger the ...

Everybody has natural rhythm. Call it your inner drummer--the heartbeat keeps time for the rest of the body. But what happens if your beat's too fast or slow? In medical terms, that's called cardiac ...

You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously not exercising and you don't think you're stressed, so why does it feel like ...