Annals of emergency medicine
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[Kennedy RM, McAllister JD. Midazolam with ketamine: who benefits? Ann Emerg Med. March 2000;35:297-299.].
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To assess patient knowledge of managed care organization (MCO) regulations, availability of alternative ambulatory care, and patient outcome after MCO insurance authorization denial for an emergency department visit. ⋯ Few patients are aware of the need for MCO preauthorization for ED care, and almost half do not receive alternative care within 24 hours. A significant number of patients (11%) returned to the ED with an admission rate of 4%.