Agordia - One Health Place

Coma

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A coma is a deep state of unconsciousness.   An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an underlying illness, or as a result of injuries, such as brain injury.
A coma rarely lasts more than 2 to 4 weeks. The outcome for coma depends on the cause, severity, and site of the damage.
NIH: National Institute of Neurological Disorders and Stroke
People may come out of a coma with physical, intellectual, and psychological problems.  Some people may remain in a coma for years or even decades. For those people, the most common cause of death is infection, such as pneumonia.