PHILADELPHIA (WPVI) -- The human heart beats about a hundred thousand times a day. When the beat isn't regular, it's something called an arrhythmia. As we learn in today's Moves in Medicine, not all ...

A supraventricular arrhythmia is an irregular heart rate that begins above the ventricles, or lower chambers of the heart. Most, but not all, supraventricular arrhythmias begin in the atria, or top ...

Please provide your email address to receive an email when new articles are posted on . Supraventricular arrhythmias may be underestimated in patients who have received percutaneous patent foramen ...

Supraventricular tachycardia (SVT) is a very rapid heartbeat (usually between 151 and 250 beats per minute, or BPM) and can cause a number of serious health issues. It’s seen in just over 2 out of ...

Sometimes, doctors don't know what sets off the racing, thumping heartbeat caused by supraventricular tachycardia (SVT). What they do know for certain: It starts in the upper chambers of your heart ...

Supraventricular arrhythmias are the most widespread group of arrhythmias and affect all age groups. Atrial fibrillation is the most common arrhythmic disorder and is even more prevalent among the ...

When you have supraventricular tachycardia, your heart's electrical system sometimes makes it beat faster than normal. You can have a bout of SVT even when you're not stressed out or exercising hard.

Dysrhythmia and arrhythmia both mean the same thing: an unusual heart rhythm. The only difference is that the word dysrhythmia literally means “bad rhythm” while arrhythmia means “without rhythm.” ...

Arrhythmia and dysrhythmia are terms that both describe an abnormal heart rate or rhythm, with arrhythmia being the more commonly used term. An abnormal heart rate can be either faster (tachycardia) ...