Premature extrastimulus pace-mapping to identify the origin of ventricular premature depolarizations
نویسندگان
چکیده
منابع مشابه
Premature extrastimulus pace-mapping to identify the origin of ventricular premature depolarizations☆
Introduction Frequent premature ventricular depolarizations (VPDs) may lead to the development of dilated cardiomyopathy, which is reversible with catheter ablation. Closely coupled VPDs have also been shown to trigger polymorphic ventricular tachycardia. Twelve-lead electrocardiogram morphology and pace-mapping are useful clinical tools for localization of the site of origin of VPDs, particula...
متن کاملEditorial: Antiarrhythmic Therapy, Ventricular Premature Depolarizations
IN ACUTE MYOCARDIAL INFARCTION it is generally accepted that ventricular premature depolarizations (VPDs) lead to ventricular tachycardia and ventricular fibrillation (VF). Therefore, suppression of VPDs should result in a lower incidence of fatal ventricular dysrhythmias. Randomized controlled trials in patients with acute myocardial infarction have demonstrated fewer episodes of VF and ventri...
متن کاملThe effect of intermittent bundle branch block on the coupling interval of ventricular premature depolarizations.
The mechanism of origin of ventricular premature depolarizations (VPDs) is explained by automaticity or reentry. We studied three patients with intermittent left bundle branch block (LBBB) and unifocal VPDs of right bundle branch block (RBBB) morphology (assumed left ventricular origin). We examined the effect of different types of intraventricular conduction on the coupling intervals of the VP...
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Nine patients with coupled ventricular premature depolarizations (VPDs) were treated with intravenous procaine amide to abolish the arrhythmia. The effect of procaine amide on the electrocardiogram was carefully observed. Seven patients were treated with intermittent intravenous therapy-10( mg of procaine amide was injected every five minutes-and two were treated by constant intravenous infusio...
متن کاملMapping and ablation of frequent post-infarction premature ventricular complexes.
INTRODUCTION Premature ventricular complexes (PVCs) occur frequently in patients with heart disease. The sites of origin of PVCs in patients with prior myocardial infarction and the response to catheter ablation have not been systematically assessed. METHODS AND RESULTS In 28 consecutive patients (24 men, age 60 ± 10, ejection fraction [EF] 0.37 ± 0.14) with remote myocardial infarction refer...
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ژورنال
عنوان ژورنال: HeartRhythm Case Reports
سال: 2016
ISSN: 2214-0271
DOI: 10.1016/j.hrcr.2015.08.010