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 ...

Supraventricular tachycardia is a term used to describe any heart rhythm that is greater than 100 beats per minute originating from above the AV node (the atrium). The term “SVT” can be confusing at ...

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 ...

The approval was based on data from 5 randomized, double-blind, placebo-controlled trials that included 317 patients with supraventricular tachycardia. Landiolol is a selective beta-1 adrenergic ...

This ECG has a narrow QRS complex initally, then a fast heart rate, regular rhythm and no identifiable P wave activity which suddenly turns to a wide complex in a left bundle branch block pattern. The ...

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 ...

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) — ...