EDITORIAL

Beyond the measurement of QRS complex toward mechanical dyssynchrony: cardiac resynchronisation therapy in heart failure patients with a normal QRS duration

A Auricchio¹, C M Yu²

¹ Division of Cardiology, University Hospital Magdeburg, Germany
² Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong

Correspondence to:
Correspondence to:
Dr Angelo Auricchio
Division of Cardiology, University Hospital, Leipziger Strasse 44, D-39120 Magdeburg, Germany; angelo.auricchio{at}medizin.uni-magdeburg.de

Mechanical systolic dyssynchrony exists in many patients with heart failure, irrespective of QRS duration, and so more patients may derive benefit from cardiac resynchronisation therapy than previously considered

Keywords: cardiac resynchronisation therapy; heart failure; QRS duration

Abbreviations: CRT, cardiac resynchronisation therapy; LBBB, left bundle branch block; TDI, tissue Doppler imaging

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