Syncope risk factors
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sahar Memar Montazerin, M.D.[2]
Overview
Syncope is a sign of insufficient cerebral blood flow and it should be evaluated for the underlying cause. Possible underlying causes of syncope include structural heart disease, vasovagal syncope and arrhythmia. Risk factors associated with the development of either of these disorders may contribute to the development of syncope.
Risk Factors
Syncope is a sign of insufficient cerebral blood flow and it should be evaluated for the underlying cause. Possible underlying causes of syncope include structural heart disease, vasovagal syncope and arrhythmia. Risk factors associated with the development of either of these disorders may contribute to the development of syncope.
- The following factors has been associated with increased risk of orthostatic syncope:[1]
- Sudden postural change of the head (especially upon waking in the morning)
- Standing still for a long period
- Certain antihypertensive drugs (e.g., diuretics, vasodilators)
- Severe exertion with dehydration
- Reduced “thirst drive” in elderly individuals
- Avoidance of fluid intake in older men (to minimize prostate symptoms)
- Excess alcohol or caffeine use
- Straining during micturition or defecation
- High environmental temperature (including hot baths, showers, and saunas)
- Large meals (especially with refined carbohydrates)
References
- ↑ Anil, OmMurti (2016). "Syncope: Approach to diagnosis". Journal of Clinical and Preventive Cardiology. 5 (3): 84. doi:10.4103/2250-3528.191099. ISSN 2250-3528.