Vasovagal Reflex Quiz
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Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (Primary Care)
Dr. Nass received dual medical degrees from the David Geffen School of Medicine at UCLA and Charles R. Drew University in Medicine and Science. He completed Family Medicine residency at Ventura County Medical Center with subsequent fellowships at Ventura, University of North Carolina-Chapel Hill, George Washington University, and University of California-Irvine. He holds faculty appointments at Keck School of Medicine of USC, Loma Linda University School of Medicine, and Western University of Health Sciences.
Tatsuya Shiraishi, MD (Cardiology)
Dr. Shiraishi graduated from the Kyoto University School of Medicine. He worked as a cardiologist at Edogawa Hospital, and after joining Ubie, he became the Director of East Nihonbashi Internal Medicine Clinic.
Content updated on Mar 31, 2024
Following the Medical Content Editorial Policy
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Blacking out
Fainted / passed out right after having food
Dizziness
Blackout for a second
Dizzy
Faint
Vertigo
Not seeing your symptoms? No worries!
How Ubie Can Help You
With a free 3-min Vasovagal Reflex quiz, powered by Ubie's AI and doctors, find possible causes of your symptoms.
This questionnaire is customized to your situation and symptoms, including the following personal information:
Biological Sex - helps us provide relevant suggestions for male vs. female conditions.
Age - adjusts our guidance based on any age-related health factors.
History - considers past illnesses, surgeries, family history, and lifestyle choices.
Your symptoms
Our AI
Your report
Your personal report will tell you
✔ When to see a doctor
✔︎ What causes your symptoms
✔︎ Treatment information etc.
People with similar symptoms also use Ubie's symptom checker to find possible causes
- Feel anxiety suddenly
- Felt nauseous then fainted
- Sweating followed by fainting
- Have nausea
- Fainting followed by a headache
- Fainting when walking
- Chest pain with fainting
- Dizziness multiple times
- Feeling faint before losing consciousness
- Confused or drowsy for a while after recovering consciousness
- Nausea improves with vomiting
- Fainting when tired
- Fainted but retained the ability to recall fainting
- Off-balance like floating
- Feeling skin warmth or "hot flashes" before fainting
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Just 3 minutes.
Developed by doctors.
Try Free Symptom QuizWhat is Vasovagal Reflex?
Vasovagal reflex is a sudden drop in heart rate and blood pressure that leads to fainting. It can be triggered by stress, long periods of standing, heat exposure, or the sight of blood or anything unpleasant.
Typical Symptoms of Vasovagal Reflex
- Losing consciousness
- Losing consciousness after moving my neck
- Losing consciousness during or after meals
- Dizziness
- Nausea or vomiting
- Feel the heart is pounding
Diagnostic Questions for Vasovagal Reflex
Your doctor may ask these questions to check for this disease:
- Have you temporarily lost consciousness?
- Did you faint when you turned or moved your neck?
- Did you faint during or after eating?
- Are you currently dizzy?
- Are you feeling nauseous or have you been vomiting?
Treatment of Vasovagal Reflex
A doctor will usually first try to rule out more serious causes of fainting. Vasovagal reflex/syncope typically requires no further treatment. Avoiding triggers and staying hydrated can help. In rare cases, a pacemaker may be required.
Think you might have
Vasovagal Reflex?
Try a symptom check testSymptoms Related to Vasovagal Reflex
Diseases Related to Vasovagal Reflex
FAQs
Q.
What Causes a Vagal Response While on the Toilet?
A.
A vagal reaction while on the toilet, often leading to defecation syncope (fainting), is typically caused by straining during bowel movements, which triggers the vagus nerve. This can lead to a sudden drop in blood pressure and heart rate.
References:
Bae MH, Kang JK, Kim NY, Choi WS, Kim KH, Park SH, Lee JH, Yang DH, Park HS, Cho Y, Chae SC, Jun JE. Clinical characteristics of defecation and micturition syncope compared with common vasovagal syncope. Pacing Clin Electrophysiol. 2012 Mar;35(3):341-7. doi: 10.1111/j.1540-8159.2011.03290.x. Epub 2011 Dec 21. PMID: 22188510.
Tigga MP. An Unusual Case of Defecation Syncope. J Midlife Health. 2019 Apr-Jun;10(2):99-100. doi: 10.4103/jmh.JMH_2_19. PMID: 31391761; PMCID: PMC6643707.
Aydin MA, Salukhe TV, Wilke I, Willems S. Management and therapy of vasovagal syncope: A review. World J Cardiol. 2010 Oct 26;2(10):308-15. doi: 10.4330/wjc.v2.i10.308. PMID: 21160608; PMCID: PMC2998831.
References
Cai W, Kang H, Hai T. Vasovagal reflex emergency caused by Riedel's thyroiditis: A case report and review of the literature. Asian J Surg. 2016 Jan;39(1):41-4. doi: 10.1016/j.asjsur.2013.01.008. Epub 2013 May 3. PMID: 23644007.
https://www.sciencedirect.com/science/article/pii/S1015958413000092?via%3Dihub
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Female, 40s
I was actually very impressed with the results it provided because, although I didn’t mention it during the questionnaire because I thought it was unrelated, it suggested I may have something I’ve actually been diagnosed with in the past.
(Sep 25, 2024)
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (Primary Care)
Dr. Nass received dual medical degrees from the David Geffen School of Medicine at UCLA and Charles R. Drew University in Medicine and Science. He completed Family Medicine residency at Ventura County Medical Center with subsequent fellowships at Ventura, University of North Carolina-Chapel Hill, George Washington University, and University of California-Irvine. He holds faculty appointments at Keck School of Medicine of USC, Loma Linda University School of Medicine, and Western University of Health Sciences.
Tatsuya Shiraishi, MD (Cardiology)
Dr. Shiraishi graduated from the Kyoto University School of Medicine. He worked as a cardiologist at Edogawa Hospital, and after joining Ubie, he became the Director of East Nihonbashi Internal Medicine Clinic.
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Vasovagal Reflex?
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Link to full study:
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