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 ...

Is there a simple way to differentiate a supraventricular tachycardia from a ventricular, wide QRS tachycardia on a rhythm strip? The simplest initial approach is to look at the lead with the most ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Q: What is the difference between atrial fibrillation and supraventricular tachycardia? A: While both conditions are rapid, abnormal heart rhythms that originate in the upper part of the heart, they ...

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 ...