Sick Sinus Syndrome, Complete AV Block Quiz
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Fainting when walking
Off-balance like floating
Irregular heartbeat
Dizziness
Blacking out
Dizziness multiple times
Walking then suddenly fainted / passed out
Not seeing your symptoms? No worries!
What is Sick Sinus Syndrome, Complete AV Block?
These conditions involve issues with the heart's electrical conduction system. Signals may be transmitted too fast, too slow, or not at all to some areas of the heart. Both men and women are affected, and the risk increases with age.
Typical Symptoms of Sick Sinus Syndrome, Complete AV Block
- Losing consciousness during a physical activity
- Fainting
- Family history of sudden death under 50 years old
- Small involuntary eye movements
- Irregular heartbeat
- Dizziness
- Swelling in any body part
- Diagnosed with heart failure at age 45 or younger
Diagnostic Questions for Sick Sinus Syndrome, Complete AV Block
Your doctor may ask these questions to check for this disease:
- Did you faint while walking or doing something?
- Have you fainted recently?
- Do you have a family history of early sudden death (under 50)?
- Do you have small involuntary eye movements?
- Have you been experiencing an irregular heartbeat?
Treatment of Sick Sinus Syndrome, Complete AV Block
Treatment depends on the type of signaling problem and symptom severity. Mild cases may not need treatment, while in some cases a doctor may recommend a pacemaker implantation to deliver electrical impulses if the heart rate is too slow or pauses.
Reviewed By:
Unnati Patel, MD, MSc (Family Medicine)
Dr.Patel serves as Center Medical Director and a Primary Care Physician at Oak Street Health in Arizona. She graduated from the Zhejiang University School of Medicine prior to working in clinical research focused on preventive medicine at the University of Illinois and the University of Nevada. Dr. Patel earned her MSc in Global Health from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. She went on to complete her Family Medicine residency in Chicago at Norwegian American Hospital before completing a fellowship in Leadership in Value-based Care in conjunction with the Northwestern University Kellogg School of Management, where she earned her MBA. Dr. Patel’s interests include health tech and teaching medical students and she currently serves as Clinical Associate Professor at the University of Arizona School of Medicine.
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 Feb 13, 2025
Following the Medical Content Editorial Policy
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Debruyne, P., Rossenbacker, T., & Collienne, C. (2018). Unifocal right-sided ablation treatment for neurally mediated syncope and functional sinus node dysfunction under computed tomographic guidance. Circulation …, 2018.
https://www.ahajournals.org/doi/abs/10.1161/CIRCEP.118.006604John, R. M., & Kumar, S. (2016). Sinus node and atrial arrhythmias. Circulation, 2016.
https://www.ahajournals.org/doi/abs/10.1161/circulationaha.116.018011Peigh, G., Leya, M. V., Baman, J. R., & ... (2020). Novel coronavirus 19 (COVID-19) associated sinus node dysfunction: a case series. … Heart Journal.
https://academic.oup.com/ehjcr/article-pdf/doi/10.1093/ehjcr/ytaa132/35930156/ytaa132.pdf