Emphasis and priority.

Frequency of toxicity with chemical conversion of atrial fibrillation with dofetilide.

Extraction of defibrillator leads recalled for cable externalization and failure.

Insights into atrioventricular nodal function from patients displaying dual conduction properties: interactive and orthogonal pathways.

Effect of coronary occlusion on intracardiac electrogram morphology.

Fluoroscopic screening of asymptomatic patients implanted with the recalled Riata lead family.

Pseudo-heart block and pseudo-brugada morphology from signal-averaging artifact during exercise stress testing.

A straightforward, reliable technique for retaining vascular access during lead replacement.

A novel manoeuvre for discerning supraventricular tachycardia mechanism.

Implantable and surface electrocardiography: complementary technologies.