You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and your heart begins beating a mile a minute. Is this love? Or is it … an arrhythmia? The ...

Every so often, you might feel like your heart skips a beat. It's called a palpitation, and the beat that follows can feel intense: Think a thumping sensation, a quick pressure, or a fluttering or ...