Effect of tachycardia on left ventricular blood flow distribution during coronary occlusion.

@article{Becker1976EffectOT,
  title={Effect of tachycardia on left ventricular blood flow distribution during coronary occlusion.},
  author={Laurence Becker},
  journal={The American journal of physiology},
  year={1976},
  volume={230 4},
  pages={1072-7}
}
The effect of heart rate on the amount and distribution of collateral blood flow was determine in open-chested dogs 1 h after coronary artery ligation. Flows to ischemic and nonischemic regions of left ventricle were measured with 7- to 10- mum diam radioactive microspheres during base-line conditions (118 +/- 6 beats/min) and again during atrial pacing at rates 20 and 40% above control (141 +/- 7 and 165 +/- 9 beats/min). During pacing aortic and left atrial pressures and cardiac output did… CONTINUE READING

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