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Syncopes with reference to sex and age.

The incidence of different types of syncopes and their relationship to sex and age were studied. In agreement with previous findings in the literature, a cause of syncopes in a large proportion of patients could not be determined. Vasovagal syncopes clearly prevailed among diagnosed syncopes with a female prevalence. Other syncopes (due to orthostatic hypotension, carotid-sinus syndrome etc.) had a male preponderance. Syncopes with poor prognosis prevailed in elderly patients.