Elevated heart rate and elevated ventricular contractility

Reference no: EM13535499

In some patients with Graves' disease, plasma catecholamines and presumed sympathetic efferent activity are normal but heart rate and ventricular contractility are elevated. Assuming that plasma catecholamines and sympathetic efferent activity are normal, offer an explanation for the elevated heart rate and elevated ventricular contractility

Reference no: EM13535499

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