Prolonged His-Q interval in chronic bifascicular block. Relation to impending complete heart block.

@article{Vera1976ProlongedHI,
  title={Prolonged His-Q interval in chronic bifascicular block. Relation to impending complete heart block.},
  author={Z A Vera and Dean Towle Mason and Ross D. Fletcher and Najam A. Awan and Rashid Massumi},
  journal={Circulation},
  year={1976},
  volume={53 1},
  pages={47-55}
}
Although prolonged infra-His conduction time in bifascicular block is suspected of denoting trifascicular disease, adquate documentation is lacking concerning the correlation between lengthened His-Q interval (H-Q) and the risk of development of complete heart block (CHB). H-Q in conducted sinus beats in patients with bifascicular block associated with Mobitz II or intermittent CHB represents the approximation of maximal H-Q prolongation prior to onset of trifascicular block. To assess this… CONTINUE READING
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