Syncope is the medical term for fainting or blacking out. It is a sudden loss of consciousness, usually for a short time. It is mostly because there is not enough oxygen in the brain. It can be for other reasons.
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Fainting is quite common. It usually happens in two age ranges: the teenage years, and during older age. The chance of a person fainting at least once in a lifetime is about 40 to 50 percent. Syncope causes 1 to 3 percent of all attendances to emergency departments and 1 to 6 percent of all hospital admissions.
- Ruwald M.H. et al 2012. The relation between age, sex, comorbidity, and pharmacotherapy and the risk of syncope: a Danish nationwide study. Europace. 14 (10): 1506–14. doi:10.1093/europace/eus154. PMID 22588456. Missing or empty
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- Sun B.C; Emond J.A. & Camargo C.A. 2004. Characteristics and admission patterns of patients presenting with syncope to U.S. emergency departments, 1992-2000. Acad Emerg Med. 11 (10): 1029–34. doi:10.1197/j.aem.2004.05.032. PMID 15466144. Missing or empty
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