Intraoperative diagnosis of rate-dependent bundle branch block.

@article{Domino1984IntraoperativeDO,
  title={Intraoperative diagnosis of rate-dependent bundle branch block.},
  author={Karen B. Domino and K L LaMantia and Ralph T. Geer and Peter L Klineberg},
  journal={Canadian Anaesthetists' Society journal},
  year={1984},
  volume={31 3 Pt 1},
  pages={
          302-6
        }
}
Rate-dependent left bundle branch block (LBBB) occasionally occurs during anaesthesia when the heart rate exceeds a critical value. While it is usually a benign disorder, it may mask the electrocardiographic manifestations of myocardial ischaemia and the ST-T wave pattern associated with LBBB may be mistaken for those of ischaemia. This case report presents two cases in which rate-dependent LBBB was clearly documented during the perioperative period. It demonstrates the use of pharmacologic… CONTINUE READING

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