Narrow QRS complexes occur regularly. This tracing suggests either atrial flutter or ventricular tachycardia. It is not atrial flutter, however. If it were, the QRS complexes occurring regularly would ...

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 ...

Dr. Timm Dickfeld answers the question: 'What Is Supraventricular Tachycardia?' — -- Question: What does SVT (supraventricular tachycardia) mean, and is it similar to atrial fibrillation? Answer ...

NF was a 24-year-old gravida 5 Para 1031 African-American woman presented for a prenatal visit at 38 weeks of gestation. As part of her visit, the fetal heart rate was auscultated and found to be ...

When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

Pacing Clin Electrophysiol. 2005;28(12):1322-1346. The performance of SVT-VT discriminators is linked to boundaries between detection zones for ventricular arrhythmias. In Guidant ICDs, this link is ...

Atrial flutter is a heart disorder in which the heart beats out of its normal rhythm. The condition is similar to atrial fibrillation (afib) — the most common type of arrhythmia (abnormal heartbeat) — ...