Vasovagal Reflex Quiz
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Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
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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Learn more about Vasovagal reflex
Content updated on Sep 20, 2022
What is vasovagal reflex?
Vasovagal reflex is a sudden drop in heart rate and blood pressure leading to fainting. It could be triggered by stress, long periods of standing, heat exposure or the sight of blood or anything unpleasant.
Symptoms of vasovagal reflex
Losing consciousness
Losing consciousness during or after meals
Losing consciousness after moving my neck
Dizziness
Questions your doctor may ask to check for vasovagal reflex
Your doctor may ask these questions to diagnose vasovagal reflex
Have you currently regained consciousness after temporarily losing consciousness?
Did you faint (lose consciousness) during or after a meal?
Did you faint (lose consciousness) when you turned around or moved your neck?
Are you feeling dizzy right now?
Treatment for vasovagal reflex
A doctor will first usually try to rule out more serious causes of fainting. Vasovagal reflex/ syncope usually requires no further treatment. Avoiding triggers and adequate hydration can help. In rare cases, pacemaker may be required.
Diseases related to Vasovagal reflex
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
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
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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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan