Journal of the American Geriatrics Society · 2008 · 67 citations · 14 references
The data show that symptoms such as nausea, blurred vision, and sweating are predictive of noncardiac syncope, whereas only dyspnea is predictive of cardiac syncope in elderly people.
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Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 85.9K citations
Incidence and Prognosis of Syncope
Elpidoforos S. Soteriades, Jane C. Evans, Martin G. Larson et al. · New England Journal of Medicine · 2002 · 1.3K citations