Our Coma Main Article provides a comprehensive look at the who, what, when and how of Coma
Definition of ComaComa: A state of deep, unarousable unconsciousness. A coma may occur as a result of head trauma, disease, poisoning, or numerous other causes. Coma states are sometimes graded based on the absence or presence of reflexive responses to stimuli. Last Editorial Review: 3/19/2012 Back to MedTerms online medical dictionary A-Z List 
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