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 ...

When recording your heartbeat, look out for skipped beats, extra beats, or long pauses between beats, that can feel like ...

When sodium levels rise too high, it disrupts the release of calcium inside the cells. Calcium release is what triggers the ...

Dr Augustine says that people with a low resting heart rate who feel dizzy or faint should seek medical attention, too.

Tom Brownlee does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Tachycardia is the medical term for a heart rate over 100 beats per minute (BPM). It can be a sign of emotional distress or anxiety, anemia (low levels of iron in the blood), infections, dehydration, ...