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Spontaneous initiation of atrial fibrillation by ectopic beats originating in the pulmonary veins.
BACKGROUND Atrial fibrillation, the most common sustained cardiac arrhythmia and a major cause of stroke, results from simultaneous reentrant wavelets. Its spontaneous initiation has not beenExpand
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Sudden cardiac arrest associated with early repolarization.
BACKGROUND Early repolarization is a common electrocardiographic finding that is generally considered to be benign. Its potential to cause cardiac arrhythmias has been hypothesized from experimentalExpand
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Electrophysiological Breakthroughs From the Left Atrium to the Pulmonary Veins
Background—The extent of ostial ablation necessary to electrically disconnect the pulmonary vein (PV) myocardial extensions that initiate atrial fibrillation from the left atrium has not beenExpand
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Electrophysiological end point for catheter ablation of atrial fibrillation initiated from multiple pulmonary venous foci.
BACKGROUND The end point for catheter ablation of pulmonary vein (PV) foci initiating atrial fibrillation (AF) has not been determined. METHODS AND RESULTS Ninety patients underwent mapping duringExpand
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Catheter ablation for atrial fibrillation in congestive heart failure.
BACKGROUND Congestive heart failure and atrial fibrillation often coexist, and each adversely affects the other with respect to management and prognosis. We prospectively evaluated the effect ofExpand
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A focal source of atrial fibrillation treated by discrete radiofrequency ablation.
BACKGROUND Atrial fibrillation is usually thought to be due to multiple circulating reentrant wavelets. From previous studies, a focal mechanism is considered to be very unlikely. In this report,Expand
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Risk Factors Related to Infections of Implanted Pacemakers and Cardioverter-Defibrillators: Results of a Large Prospective Study
Background— The Prospective Evaluation of Pacemaker Lead Endocarditis study is a multicenter, prospective survey of the incidence and risk factors of infectious complications after implantation ofExpand
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Technique and Results of Linear Ablation at the Mitral Isthmus
Background—This prospective clinical study evaluates the feasibility and efficacy of combined linear mitral isthmus ablation and pulmonary vein (PV) isolation in patients with paroxysmal atrialExpand
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Catheter ablation for atrial fibrillation: are results maintained at 5 years of follow-up?
OBJECTIVES This study describes 5-year follow-up results of catheter ablation for atrial fibrillation (AF). BACKGROUND Long-term efficacy following catheter ablation of AF remains unknown. Expand
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Intra-left ventricular electromechanical asynchrony. A new independent predictor of severe cardiac events in heart failure patients.
OBJECTIVES We sought to assess the electromechanical parameters, using tissue Doppler echocardiography, as potential independent predictors of heart failure (HF) worsening. BACKGROUND VentricularExpand
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