vasovagal attack

excessive activity of the vagus nerve, causing slowing of the heart and a fall in blood pressure, which leads to fainting.
See: syncope

The new mediacal dictionary. 2014.

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  • Vasovagal attack — A reflex of the involuntary nervous system called the vasovagal reaction that leads the heart to slow down (bradycardia) and, at the same time, it affects the nerves to the blood vessels in the legs permitting those vessels to dilate (widen). The …   Medical dictionary

  • Криз Вазовагальный (Vasovagal Attack) — состояние, характеризующееся чрезмерной активностью блуждающего нерва, в результате чего у человека замедляется сердцебиение и снижается артериальное давление, что приводит к обмороку. См. Синкопе, Обморок. Источник: Медицинский словарь …   Медицинские термины

  • Vasovagal response — Vasovagal episode Classification and external resources Vagus nerve ICD 10 R55 …   Wikipedia

  • Attack, vasovagal — A reflex of the involuntary nervous system called the vasovagal reaction that leads the heart to slow down (bradycardia) and, at the same time, it affects the nerves to the blood vessels in the legs permitting those vessels to dilate (widen). The …   Medical dictionary

  • Vasovagal syncope — The temporary loss of consciousness in a particular kind of situation. (Syncope is temporary loss of consciousness or, in plain English, fainting). The situations that trigger this reaction are diverse and include having blood drawn, straining… …   Medical dictionary

  • Vasovagal reaction — A reflex of the involuntary nervous system called the vasovagal reaction. The vasovagal reaction leads the heart to slow down (bradycardia) and, at the same time, it effects the nerves to the blood vessels in the legs to permit those vessels to… …   Medical dictionary

  • attack — A sudden illness or an episode or exacerbation of chronic or recurrent illness. brain a. SYN: stroke (1). drop a. an episode of sudden falling that occurs during standing or walking, without warning and without loss of …   Medical dictionary

  • vasovagal — adjective /veɪsə(ʊ)ˈveɪɡəl/ Pertaining to the vagus nerve as well as the vascular system; often describing an attack etc. characterised by slowing of the pulse and a fall in blood pressure …   Wiktionary

  • vagal attack — vasovagal attack vasovagal syncope …   Medical dictionary

  • Syncope, vasovagal — The temporary loss of consciousness in a particular kind of situation. (Syncope is temporary loss of consciousness or, in plain English, fainting). The situations that trigger this reaction are diverse and include having blood drawn, straining… …   Medical dictionary


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