Causes of syncope in Framingham cohort

Cause	Prevalence, percent
Cause	Men	Women
Cardiac	13.2	6.7
Stroke or transient ischemic attack	4.3	4.0
Seizure disorder	7.2	3.2
Vasovagal	19.8	22.2
Orthostatic hypotension	8.6	9.9
Medication	6.3	7.2
Other	9.5	6.1
Unknown	31.0	40.7

Prevalence_of_syncope_II.htm

Includes data from 727 patients.

Data from Soteriades ES, Evans JC, Larson MG, et al. N Engl J Med 2002; 347:878.

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