Too much alcohol causes damage to your heart, even if you are young and fit, say the authors of a new study that adds yet another reason to keep drinking to a minimum. Arrhythmia, or an irregular ...

For years, flavor additives in e-cigarettes have been largely viewed as a secondary concern compared with nicotine. Research and regulation have focused on addiction, nicotine delivery and, more ...

Bigeminy is an irregular heart rhythm where every normal beat is followed by an abnormal one. You should see a doctor if bigeminy causes dizziness, chest pain, or trouble breathing. Bigeminy can be ...

Medicine often takes a one-size-fits-all approach, but a disorder's root cause can vary. Vanderbilt researchers have found that for people with long QT syndrome, a heart condition that causes an ...

Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm, also called an arrhythmia and can create blood clots in the heart, which can increase your risk of having a stroke by five ...

Multifocal atrial arrhythmia is an uncommon type of tachycardia that usually develops in people with certain illnesses. Those with the condition have a heart rate of over 100 beats per minute.

Irregular heartbeat conditions affect millions of people worldwide, causing hearts to beat too fast, too slow, or with an uneven rhythm. These cardiac rhythm disturbances, medically known as ...

That's one way to make your heart jump — or slow it down, in one man's case. Walking home one night, a 29-year-old man from Queens started experiencing heart palpitations at 140 beats per minute (bpm) ...

Arrhythmia puts you at greater risk of potentially life threatening complications affecting your heart, brain, and lungs. An arrhythmia is an abnormal heartbeat that beats too fast, slow, or ...