Vagal cardiopulmonary baroreflex activation during phenylephrine infusion.

  title={Vagal cardiopulmonary baroreflex activation during phenylephrine infusion.},
  author={Anthony J. Minisi and M E Dibner-Dunlap and Marc D. Thames},
  journal={The American journal of physiology},
  volume={257 5 Pt 2},
Phenylephrine infusion (PE) has been used to raise arterial pressure (BP) in order to investigate reflex responses mediated by sinoaortic baroreflexes (SAB). Increases in cardiac filling pressures have been reported during PE. Our experiments determined whether PE selectively activates SAB without activation of vagal cardiopulmonary baroreflexes (CPR). We measured changes in mean BP, mean pulmonary arterial pressure (PAP), and renal sympathetic nerve activity (RSNA) during PE in alpha… CONTINUE READING


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