Acceleration-dependent left bundle branch block with severe left ventricular dyssynchrony results in acute heart failure: are there more patients who benefit from cardiac resynchronization therapy?

@article{Zeppenfeld2006AccelerationdependentLB,
  title={Acceleration-dependent left bundle branch block with severe left ventricular dyssynchrony results in acute heart failure: are there more patients who benefit from cardiac resynchronization therapy?},
  author={Katja Zeppenfeld and Martin Jan Schalij and Gabe B. Bleeker and Eduard R. Holman and Jeroen J. Bax},
  journal={Journal of cardiovascular electrophysiology},
  year={2006},
  volume={17 1},
  pages={101-3}
}
Cardiac resynchronization therapy (CRT) has been proposed to improve hemodynamics in patients with heart failure and left bundle branch block (LBBB) by resynchronization of left ventricular (LV) dyssynchrony. The current report concerns a patient with narrow QRS complex without LV dyssynchrony who experienced an acute exacerbation of heart failure following exercise. Careful analysis revealed that an increase of heart rate induced acceleration-dependent LBBB with severe LV dyssynchrony and… CONTINUE READING

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