Less than 10: Change in position triggers the carotid baroreceptors to gently change hr in order to stabilize BP from effects of gravity. Normal bp/hr fluctuations should be less than 10 points unless dehydrated, over medicated, or suffering from neurally mediated dysfunction (abnormal reflex arc between the baroreceptors, the brainstem, and the heart).
Answered 8/18/2017
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