Vasovagal syncope

Common Name(s)

Vasovagal syncope, Cardio-neurogenic syncope

Vasovagal syncope is a condition that is characterized by a temporary loss of consciousness. The condition occurs when an individual is exposed to stressful or overwhelming experiences. (i.e. sight of blood, fear, overheated, etc.) The vagus nerve is responsible for sending messages from the brain to the heart and digestive tract. When this nerve becomes over stimulated, the body encounters a sudden drop in blood pressure, and consequently there is reduced blood flow to the brain and ultimately loss of consciousness.

Common symptoms of vasovagal syncope may include light-headedness, temporary loss of color vision, dizziness, weakness, and fainting. Generally, individuals who suffer from a single episode of vasovagal syncope do not have any underlining heart problems. However, if the fainting occurs frequently, it is necessary to contact a doctor to examine your personal situation further.

Although there is no cure for vasovagal syncope, there are many treatment options to prevent future fainting episodes. These include identifying and avoiding situations that trigger fainting, transitioning slowly from sitting to standing positions, and wearing compression clothing to improve circulation. In more serious conditions, there are medication and surgical treatments available. If you or your family member has displayed symptoms of vasovagal syncope, talk to your doctor about the most current treatment options.

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Vasovagal syncope" for support, advocacy or research.

There are currently no organizations listed in Disease InfoSearch that support this condition. Create a listing.

 

 

General Support Organizations

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Vasovagal syncope" returned 109 free, full-text research articles on human participants. First 3 results:

Dual-Chamber Pacing With Closed Loop Stimulation in Recurrent Reflex Vasovagal Syncope: The SPAIN Study.
 

Author(s): Gonzalo Baron-Esquivias, Carlos A Morillo, Angel Moya-Mitjans, Jesus Martinez-Alday, Ricardo Ruiz-Granell, Javier Lacunza-Ruiz, Roberto Garcia-Civera, Encarnacion Gutierrez-Carretero, Rafael Romero-Garrido

Journal: J. Am. Coll. Cardiol.. 2017 Oct;70(14):1720-1728.

 

Pacing in vasovagal syncope remains controversial.

Last Updated: 29 Sep 2017

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A new test for diagnosing vasovagal syncope: Standing after treadmill test with sublingual nitrate administration.
 

Author(s): Tae-Hoon Kim, Ho-Jun Jang, Sihun Kim, Sung Yun Cho, Kyung Sun Song, Christopher Pickett, Heiko J Schmitt, Juyong Lee

Journal:

 

Increased adrenergic tone might be an additional trigger of orthostatic stress of vasovagal syncope (VVS). Exercise before standing might provide increased sensitivity compared to standing using a sublingual nitroglycerines protocol during tilt table testing. The aim of this study ...

Last Updated: 15 Jun 2017

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Analysis of Heart Rate Variability Before and During Tilt Test in Patients with Cardioinhibitory Vasovagal Syncope.
 

Author(s): Cláudia Madeira Miranda, Rose Mary Ferreira Lisboa da Silva

Journal: Arq. Bras. Cardiol.. 2016 Dec;107(6):568-575.

 

Cardioinhibitory vasovagal response is uncommon during the tilt test (TT). Heart rate variability (HRV) by use of spectral analysis can distinguish patients with that response.

Last Updated: 30 May 2017

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Vasovagal syncope" returned 13 free, full-text review articles on human participants. First 3 results:

2015 heart rhythm society expert consensus statement on the diagnosis and treatment of postural tachycardia syndrome, inappropriate sinus tachycardia, and vasovagal syncope.
 

Author(s): Robert S Sheldon, Blair P Grubb, Brian Olshansky, Win-Kuang Shen, Hugh Calkins, Michele Brignole, Satish R Raj, Andrew D Krahn, Carlos A Morillo, Julian M Stewart, Richard Sutton, Paola Sandroni, Karen J Friday, Denise Tessariol Hachul, Mitchell I Cohen, Dennis H Lau, Kenneth A Mayuga, Jeffrey P Moak, Roopinder K Sandhu, Khalil Kanjwal

Journal: Heart Rhythm. 2015 Jun;12(6):e41-63.

 

Last Updated: 24 May 2015

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Non-invasive management of vasovagal syncope.
 

Author(s): Samuel T Coffin, Satish R Raj

Journal: Auton Neurosci. 2014 Sep;184():27-32.

 

Vasovagal syncope (VVS) is a common disorder of the autonomic nervous system. While recurrent syncope can cause very impaired quality of life, the spells are not generally life-threatening. Both non-pharmacological and pharmacological approaches can be used to treat patients. Conservative ...

Last Updated: 19 Aug 2014

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Ongoing clinical trials for Vasovagal Syncope: where are we in 2014?
 

Author(s): Samuel T Coffin, Satish R Raj

Journal: Auton Neurosci. 2014 Sep;184():77-82.

 

Vasovagal Syncope (VVS) can lead to a markedly diminished quality of life for some patients. While there are many treatments for this condition including physical, mechanical, pharmacologic, and device-based control of heart rate, there are few that have been shown to be effective ...

Last Updated: 19 Aug 2014

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Clinical Trial Information This information is provided by ClinicalTrials.gov

Last Updated: 29 Aug 2016

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Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects
 

Status: Recruiting

Condition Summary: Vasovagal Syncope

 

Last Updated: 29 Aug 2016

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Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope
 

Status: Recruiting

Condition Summary: Vasovagal Syncope

 

Last Updated: 24 Oct 2017

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