Brugada syndrome is an inherited heart disease without structural abnormalities that is
thought to arise as a result of accelerated inactivation of Na channels and predominance of …

Background—The pulmonary veins (PVs) and surrounding ostial areas frequently house
focal triggers or reentrant circuits critical to the genesis of atrial fibrillation (AF). We …

Background Circumferential radiofrequency ablation around pulmonary vein (PV) ostia has
recently been described as a new anatomic approach for atrial fibrillation (AF). Methods and …

Cardiac amyloidosis is a rare, infiltrative cardiomyopathy that presents with thickened
ventricular walls and progressive heart failure. The morphological findings and clinical …

Background—We treated paroxysmal recurrent atrial fibrillation (AF) with radiofrequency
(RF) catheter ablation by creating long linear lesions in the atria. To achieve line continuity …

Objectives: The aim of this study was to assess in a large cohort of asymptomatic subjects
with Wolff-Parkinson-White (WPW) pattern the usefulness of invasive electrophysiologic …

Background: Conventional transthoracic echocardiography (TTE) and tissue Doppler
imaging (TDI) are usually unable to reveal very early subtle abnormalities in left ventricular …

Accessory mitral valve tissue (AMVT) is a rare congenital cardiac anomaly sometimes
responsible for left ventricular outflow tract (LVOT) obstruction. It is diagnosed during both …

Objective: We describe an original radiofrequency ablation technique to treat chronic atrial
fibrillation in patients undergoing mitral valve surgery. Most of the procedure is carried out …

Background. Acute left ventricular pacing has been associated with hemodynamic
improvement in patients with congestive heart failure and wide QRS complex. We …