Non-traumatic Altered States of Consciousness (ASC) is a non-specific consequence of various etiologies. Awareness and understanding of the relative frequencies of the various etiologies of ASC can facilitate the development of effective diagnostic and therapeutic approaches to patient management and promote efficient use of our resources in managing these patients. The aim of this study was to collect and present data on the various etiologies of non-traumatic ASC in an ED population. Various risk factors were studied to determine association with 2-week outcome. Data on patient...