Premature Ventricular Contraction-Induced Concealed Mechanical Bradycardia and Dilated Cardiomyopathy:
Authors: ORUGANTI SAI SATISH1; KUAN-HUNG YEH2; MING-SHIEN WEN2; CHUN-CHIEH WANG2
Source: Journal of Cardiovascular Electrophysiology, Volume 16, Number 1, January 2005 , pp. 88-91(4)
Publisher: Blackwell Publishing
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Abstract:
PVCs Induced Mechanical Bradycardia and Cardiomyopathy. Left ventricular (LV) dysfunction due to frequent isolated premature ventricular contractions (PVCs) has been rarely reported. LV dysfunction and concealed mechanical bradycardia resolved in a patient with idiopathic dilated cardiomyopathy after the focal source of PVCs in the LV was eliminated by radiofrequency ablation (RFA). The patient remained free from PVCs and maintained normal LV function over 36-month follow-up. In a subset of patients with idiopathic dilated cardiomyopathy with frequent isolated PVCs, RFA of the arrhythmic focus restores normal LV function that can be long lasting.(J Cardiovasc Electrophysiol, Vol. 16, pp. 88-91, January 2005)Keywords: premature ventricular contractions; cardiomyopathy; radiofrequency ablation; left ventricular dysfunction; pulse deficit; bradycardia
Document Type: Case report
DOI: 10.1046/j.1540-8167.2005.04473.x
Affiliations: 1: Nizam's Institute of Medical Sciences, Hyderabad, India 2: Department of Medicine, Second Section of Cardiology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
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