Figure 5

Hemodynamic responses to electrical stimulation of the carotid sinus nerve. Panel a: Tracings of pulsatile arterial pressure (PAP) [white line represents mean AP] and heart rate (HR) before, during and right after turning off the electrical stimulation. Panels b and c: Hemodynamic responses to KCN in intact and carotid body denervated rats. Panels d and e: effect of phenylephrine (PhE) in intact rats without and under methylatropine administration, respectively.