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An original recording of the RSNA response to changes in arterial blood pressure induced by nitroglycerin (25 μg IV) and then phenylephrine (10 μg IV). An attenuated RSNA response to an increase in MAP was observed in non-EX Ang II–infused rats (top) compared with non-EX aCSF-infused rats. However, there were no differences of RSNA between EX rats infused with aCSF or Ang II (bottom).
