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A member asked:
My father suddenly lay unconscious showed to the doctor low blood pressure due to vegal system problem what is that?
A doctor has provided 1 answer
Vagal response: A vagal response is the vagus nerve sending out signals in response to a stimulus. This results in a variety of responses , primarily slowing of heart rate and sudden temporary increase in blood vessel size. This results in a sudden decrease in blood pressure, which can result in lightheadedness or unconsciousness.
Answered 10/1/2013
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