Electrical and mechanical components of dyssynchrony in heart failure patients with normal QRS duration and left bundle-branch block:impact of left and biventricular pacing

Turner, Mark S, Bleasdale, Rob A, Vinereanu, Dragos, Mumford, Catherine E, Paul, Vince, Fraser, Alan G and Frenneaux, Michael P (2004) Electrical and mechanical components of dyssynchrony in heart failure patients with normal QRS duration and left bundle-branch block:impact of left and biventricular pacing. Circulation, 109 (21). pp. 2544-2549. ISSN 0009-7322

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Abstract

Resynchronization pacing is an effective symptomatic treatment for heart failure patients with prolongation of the QRS duration (QRSd). Dyssynchronous contraction of the left ventricle is also observed with normal QRSd. We set out to determine how electrical activation of the left ventricular (LV) free wall differed between patients with left bundle-branch block (LBBB) and normal QRSd and if synchrony improved during pacing in patients with normal QRSd.

Item Type: Article
Uncontrolled Keywords: aged,biomechanical phenomena,bundle-branch block,cardiac pacing, artificial,echocardiography, doppler,electrocardiography,electrophysiology,female,heart conduction system,heart failure,heart ventricles,humans,male,middle aged,models, cardiovascular,myocardial contraction,systole,time factors,ventricular function, left,ventricular function, right
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 13 Mar 2015 16:22
Last Modified: 21 Apr 2020 23:57
URI: https://ueaeprints.uea.ac.uk/id/eprint/52630
DOI: 10.1161/01.CIR.0000131184.40893.40

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