Mechanism of abnormal interventricular septal motion during delayed left ventricular activation.

@article{Little1982MechanismOA,
  title={Mechanism of abnormal interventricular septal motion during delayed left ventricular activation.},
  author={William James Little and Russell C Reeves and Joaquin G Arciniegas and Richard E. Katholi and Edwin W. Rogers},
  journal={Circulation},
  year={1982},
  volume={65 7},
  pages={1486-91}
}
To evaluate the mechanism of the abnormal motion of the interventricular septum (IVS) seen echocardiographically in some patients with relatively delayed ventricular activation, we simultaneously recorded high-fidelity left and right ventricular pressures and electrograms and echocardiograms of the IVS in nine open-chest dogs. During sinus rhythm and during left IVS pacing, the IVS was activated from left to right, preejection left ventricular pressure exceeded right ventricular pressure, and… CONTINUE READING

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Transseptal pressure gradient with leftward septal displacement during right ventricular loading in man

  • P Guzman, WL Maughan, +4 authors JL Weiss
  • ( abstr ) Circulation
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