Experiencing atrial fibrillation is sort of like feeling your heart skip a beat, followed by a thud, with it then fluttering or racing along for a few seconds after. Some people notice just a weak or ...

Atrial flutter most commonly occurs in a reentrant circuit around the tricuspid valve — typical atrial flutter or type I. Ablation for this rhythm is easy since it requires only venous access to get ...

While the Chargers were warming up in Denver last Sunday, Jim Harbaugh felt his heart racing. He knew that feeling, having experienced it as a player in 1999 and as an NFL head coach 13 years later. A ...

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 ...