vagal attack

vagal attack definition - medical

vagal attack

noun
A paroxysmal condition marked by slow pulse, a fall in blood pressure, and sometimes by convulsions, thought to be the result of sudden stimulation of the vagus nerve mediated through receptors located in the carotid sinus, the aortic arch, or the heart. Also called vasovagal attack, vasovagal syncope.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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