Question: The Sympathetic And Parasympathetic Effects On The SA Nodal, Pacemaker Cardiac Myocytes, Is To Change The Slope Of The Membrane Potential. Potential And Trough Of Modulation Of Heart Rate By The Autonomic Nervous System Normal Sympathetic Stimulation Normal Parasympathetic Stimulation 20 20 0 0 -20 -40 -60 -60 Depolarized More Rapid Depolarization Hyperpolarized…
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The sympathetic and parasympathetic effects on the SA nodal, pacemaker cardiac myocytes, is to change the slope of the membrane potential. potential and trough of Modulation of Heart Rate by the Autonomic Nervous System Normal Sympathetic stimulation Normal Parasympathetic stimulation 20 20 0 0 -20 -40 -60 -60 Depolarized More rapid depolarization Hyperpolarized Slower depolarization 0.8 2.4 0.8 1.6 2.4 1.6 Time (sec) Time (sec) (a) (b)
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