During the past decade, catheter ablation of atrial fibrillation (AF) has evolved rapidly from
an investigational procedure to its current status as a commonly performed ablation …

Atrial fibrillation (AF) is the most common arrhythmia with ever-increasing public health
impact. 1 Over 50 years of observation in the Framingham Heart Study (FHS), there is a 4 …

Optimal cardiac function depends on proper timing of excitation and contraction in various
regions of the heart, as well as on appropriate heart rate. This is accomplished via …

Long QT and short QT syndromes (LQTS and SQTS) are cardiac repolarization
abnormalities that are characterized by length perturbations of the QT interval as measured …

The National Heart, Lung, and Blood Institute convened an expert panel April 28 to 29,
2008, to identify gaps and recommend research strategies to prevent atrial fibrillation (AF) …

About 10 distinct potassium channels in the heart are involved in shaping the action
potential. Some of the K+ channels are primarily responsible for early repolarization …

Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, affecting 1% to 2% of the
general population. It is characterized by rapid and disorganized atrial activation leading to …

Background Atrial fibrillation (AF) is a common arrhythmia seen in clinical practice.
Occasionally, no common risk factors are present in patients with this arrhythmia. This …

Atrial fibrillation (AF), the most common sustained cardiac arrhythmia encountered in clinical
practice, is associated with increased morbidity and mortality. Electrophysiologically, it is …

Atrial fibrillation (AF) is the most common cardiac arrhythmia affecting 1–2% of the general
population. A number of studies have demonstrated that AF, and in particular lone AF, has a …