Redistribution of myocardial fiber strain and blood flow by asynchronous activation.

@article{Prinzen1990RedistributionOM,
  title={Redistribution of myocardial fiber strain and blood flow by asynchronous activation.},
  author={Frits W. Prinzen and Cornelis H. Augustijn and Theo Arts and M. A. Allessie and Robert S. Reneman},
  journal={The American journal of physiology},
  year={1990},
  volume={259 2 Pt 2},
  pages={H300-8}
}
Hearts of 11 anesthetized open-chest dogs were paced from the right atrium (RA), right ventricular outflow tract (RVOT), and left ventricular apex (LVA). Maps of the sequence of electrical activation (192 electrodes), fiber strain (video technique), and blood flow (microsphere technique) in the epicardial layers were obtained from a 15- to 20-cm2 area of the anterior left ventricular wall. Electrical asynchrony in this area was 10 +/- 5 (RA), 52 +/- 12 (RVOT), and 30 +/- 16 ms (LVA, mean +/- SD… CONTINUE READING

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