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


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

  • cardiac resynchronisation therapy
  • heart failure
  • QRS duration
  • CRT, cardiac resynchronisation therapy
  • LBBB, left bundle branch block
  • TDI, tissue Doppler imaging

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  • Miscellanea
    BMJ Publishing Group Ltd and British Cardiovascular Society