Figure 2From: Cardiac baroreflex is already blunted in eight weeks old spontaneously hypertensive rats Recordings from one WKY and one SHR illustrating reflex bradycardia (top) in response to blood pressure increases. Infusions were given in bolus. MAP, mean arterial pressure; PAP, pulsatile arterial pressure; HR, heart rate; PHE: phenylephrine.Back to article page