How long does it take to wake up from a coma with a brain contusion

The duration of coma varies with different degrees of cerebral contusions, with typical cerebral contusions generally lasting more than half an hour, while more serious patients can be in a coma for hours, days or even months without signs of wakefulness. Coma is a disorder of consciousness, which can indirectly indicate head injury. Patients often wake up with headache, dizziness, nausea, vomiting and other symptoms that require prompt medical attention.

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