Coma

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Signs and Symptoms

All of the various states of unconsciousness are symptoms of severe neurological dysfunction. Coma can begin suddenly, such as when a person suffers a brain hemorrhage or severe head trauma, or can develop slowly over time. In a person who is intoxicated with alcohol or other drugs, for example, the early signs of an impending state of unconsciousness develop slowly. Usually the progression of the state of unconsciousness and how quickly it develops, provides clues about wh...Read the full article