vagal attack

attack /at·tack/ (ah-tak´) an episode or onset of illness.

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Adams-Stokes attack  an episode of syncope in Adams-Stokes syndrome.

drop attack  sudden loss of balance without loss of consciousness, usually seen in elderly women.

panic attack  an episode of acute intense anxiety, the essential feature of panic disorder.

transient ischemic attack  (TIA) a brief attack (an hour or less) of cerebral dysfunction of vascular origin, without lasting neurological effect.

vagal attack , vasovagal attack a transient vascular and neurogenic reaction marked by pallor, nausea, sweating, bradycardia, and rapid fall in arterial blood pressure, which may result in syncope.

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vagal attack

n.

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.

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vagal

pertaining to the vagus nerve.

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vagal attack

see vasovagal attack.

vagal maneuver

pressure on the carotid sinus or eyeball to terminate supraventricular tachycardia.