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What is the effect of stimulating the vagus nerve on heart rate and blood pressure?

April 26, 2017blood pressure heart nerve rate stimulating vagus

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What is the effect of stimulating the vagus nerve on heart rate and blood pressure?

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It will slow down the heart and lower the blood pressure. Although other mechanisms may compensate the lowered blood pressure and give a rebound initially, vagal stimulus prevails and BP drops as well. The worse case is fainting. This is in fact one of the mechanism of vasovagal syncope.