Toarta C, et al. - Among syncope patients assigned various diagnostic categories during Emergency Department (ED) evaluation, researchers measured the outcomes within 30 days of the initial ED visit. A strong correlation of short-term serious outcomes with the etiology assigned in the ED visit was noted. The proportion of patients with ED investigations and short-term serious outcomes increased in each diagnostic category in the following order: presumed vasovagal, orthostatic hypotension, other/unknown cause, and cardiac. No deaths occurred in patients with presumed vasovagal syncope.