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vasovagal
(redirected from vasovagal attack, vasovagal syncope)

   Also found in: Dictionary/thesaurus 0.01 sec.
vasovagal /vaso·va·gal/ (-va´gal) vascular and vagal; see also under attack.
va·so·va·gal (vz-vgl)
adj.
Relating to or involving blood vessels and the vagus nerve.

vasovagal [vas″o-va´gal]
vascular and vagal.
vasovagal attack a transient vascular and neurogenic reaction marked by pallor, nausea, sweating, bradycardia, and rapid fall in arterial blood pressure, which, when below a critical level, results in loss of consciousness and characteristic electroencephalographic changes. It is most often evoked by emotional stress associated with fear or pain. Called also vagal attack and vasovagal syncope.

vasovagal
vascular and vagal.

vasovagal attack, vasovagal syncope
a transient vascular and neurogenic reaction in humans marked by pallor, nausea, sweating, bradycardia, and rapid fall in arterial blood pressure which, when below a critical level, results in loss of consciousness and characteristic electroencephalographic changes.


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