You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously ...

SVT results in the heart beating at much faster rate than normal, and can be triggered by exercise, lack of sleep, ...

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, ...

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 ...