摘要: With the knowledge that anticoagulant drugs were effective in significantly reducing incidence of cerebral embolic phenomena 1,2 and evidence animals anticoagulants might increase severity experimental hemorrhagic infarcts, 3-5 study man has taken on new importance. This paper examines three aspects embolism man—the usual clinical course, prognostic signs significance, effects anticoagulation upon outcome. I. The Natural History present is an effort to delineate features course phenomena. In previous pathological studies 6,7 natural history those episodes ending death been considered, but this hardly gives a verisimilitude course. records 185 patients with diagnosis admitted New York Hospital over past 18 years critically assayed. 82