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Serotonin syndrome, neuroleptic malignant syndrome, anticholinergic toxidrome and malignant hyperthermia can present similarly with hyperthermia, tachycardia, confusion and hypertension. What clinical characteristics help distinguish between these entities?
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Source
Boyer, E. and Shanahan, M. "The Serotonin Syndrome" N Engl J Med. March 17, 2005.