Neurally mediated syncope quiz

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Shohei Harase

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Shohei Harase, MD

Neurology

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Learn more about Neurally mediated syncope

Content updated on Jun 1, 2022

What is neurally mediated syncope?

Neurally mediated syncope or vasovagal syncope is a sudden drop in heart rate and blood pressure resulting fainting. Common triggers include strain, stress, long periods of standing, heat exposure or sight of blood or something unpleasant.

Symptoms related to neurally mediated syncope

  • Losing consciousness

  • Feeling fatigued in the morning

  • Feeling lightheaded or fainting after passing urine or motion

  • Have ever fainted after standing up

  • Fainting from severe pain

  • Nausea or vomiting after eating

  • Fainted when coughing

Questions your doctor may ask to check for neurally mediated syncope

Your doctor may ask these questions to diagnose neurally mediated syncope

  • Have you currently regained consciousness after temporarily losing consciousness?

  • Do you normally feel fatigued in the mornings?

  • Did you feel dizzy or faint after passing motion or urine?

  • Have you ever lost consciousness after standing up?

  • Have you ever lost consciousness due to extreme pain?

Treatment for neurally mediated syncope

Treatment usually involves behavioral modifications, trigger avoidance and medication. Rarely a pacemaker may be required.

View the symptoms of Neurally mediated syncope

References

  • Freeman R, Wieling W, Axelrod FB, Benditt DG, Benarroch E, Biaggioni I, Cheshire WP, Chelimsky T, Cortelli P, Gibbons CH, Goldstein DS, Hainsworth R, Hilz MJ, Jacob G, Kaufmann H, Jordan J, Lipsitz LA, Levine BD, Low PA, Mathias C, Raj SR, Robertson D, Sandroni P, Schatz I, Schondorff R, Stewart JM, van Dijk JG. Consensus statement on the definition of orthostatic hypotension, neurally mediated syncope and the postural tachycardia syndrome. Clin Auton Res. 2011 Apr;21(2):69-72. doi: 10.1007/s10286-011-0119-5. PMID: 21431947.

    https://link.springer.com/article/10.1007/s10286-011-0119-5

  • Țentea CP, Eötvös CA, Lazar RD, Paștiu G, Zehan IG, Andrei MG, Porca A, Jelnean M, Chiorescu RM, Mocan-Hognogi LD, Pop S, Blendea D. Electrocardiographic Patterns in Patients with Neurally Mediated Syncope. Medicina (Kaunas). 2021 Aug 6;57(8):808. doi: 10.3390/medicina57080808. PMID: 34441014; PMCID: PMC8399501.

    https://www.mdpi.com/1648-9144/57/8/808

  • Zaqqa M, Massumi A. Neurally mediated syncope. Tex Heart Inst J. 2000;27(3):268-72. PMID: 11093411; PMCID: PMC101078.

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC101078/

  • Kenny RA. Neurally mediated syncope. Clin Geriatr Med. 2002 May;18(2):191-210, vi. doi: 10.1016/s0749-0690(02)00005-8. PMID: 12180243.

    https://www.geriatric.theclinics.com/article/S0749-0690(02)00005-8/fulltext

Shohei Harase

Medically Reviewed By:

Shohei Harase, MD

Neurology

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