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Help! Cutting the vagus nerve and force of contraction

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Help! Cutting the vagus nerve and force of contraction

Postby Vangeek » Thu Feb 12, 2009 11:39 pm

Cutting the vagus nerve to the heart increases heart rate. What effect would it have in the force of contraction of the heart? Please explain the answer, anyone????????
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Postby Jones » Fri Feb 13, 2009 5:53 am

Cutting that makes you lose weight, no?
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Postby Vangeek » Fri Feb 13, 2009 8:30 am

No, this is not important; the question is about increased HR and its effect on the force of contraction.
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Postby Jones » Fri Feb 13, 2009 3:19 pm

I wasn't asking if it was important I was just wondering if thats the nerve you're talking about, which it is, because I checked.
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Postby mcar » Sun Feb 15, 2009 12:14 pm

Vagus nerve is a cranial nerve that when stimulated slows down the heart rate. That's why valsalva maneuver is a no-no to those with heart ailments.
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