vasovagal

adjective

va·​so·​va·​gal ˌvā-zō-ˈvā-gəl How to pronounce vasovagal (audio)
: relating to, involving, or caused by action of the vagus nerve on blood vessel dilation and heart rate
vasovagal syncope

Examples of vasovagal in a Sentence

Recent Examples on the Web When people have a vasovagal reaction during blood donation, their heart rate increases while their blood pressure drops. Emilie Le Beau Lucchesi, Discover Magazine, 29 Aug. 2023 Increasing intravascular volume by hydrating can help prevent a vasovagal syncope event that can lead to fainting. Korin Miller, Health.com, 15 Nov. 2021 Applied tension combats the vasovagal response by flexing large muscle groups to raise the blood pressure and pulse. Los Angeles Times, 3 May 2021 Remember that an occasional episode of vasovagal syncope is likely not of concern, as long as you haven’t been injured in the process. Anne R. Crecelius, The Conversation, 20 June 2019 What’s going on there that can lead to this overactive vasovagal response? Anne R. Crecelius, The Conversation, 20 June 2019 By far the most common trigger for fainting is a drop in blood pressure due to a strong vasovagal response. Anne R. Crecelius, The Conversation, 20 June 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vasovagal.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

vaso- + vagal

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of vasovagal was in 1907

Dictionary Entries Near vasovagal

Cite this Entry

“Vasovagal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vasovagal. Accessed 17 Apr. 2024.

Medical Definition

vasovagal

adjective
va·​so·​va·​gal ˌvā-zō-ˈvā-gəl How to pronounce vasovagal (audio)
: of, relating to, or involving both vascular and vagal factors
a vasovagal reaction
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