Vagal and sympathetic components of the heart rate range and gain of the baroreceptor-heart rate reflex in conscious rats.

@article{Head1987VagalAS,
  title={Vagal and sympathetic components of the heart rate range and gain of the baroreceptor-heart rate reflex in conscious rats.},
  author={G A Head and Richard McCarty},
  journal={Journal of the autonomic nervous system},
  year={1987},
  volume={21 2-3},
  pages={203-13}
}
Previous studies in conscious rats have examined the relationship between mean arterial pressure (MAP) and heart rate (HR) only during relatively small or unidirectional changes in blood pressure. We have now examined this relationship more fully in conscious Sprague-Dawley rats using graded bolus i.v. doses of phenylephrine and nitroprusside to alter MAP… CONTINUE READING