Causes of Brain Coma:

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A person who is in a coma is completely unconscious, with their eyes closed, and unable to react to anyone or anything around them. A patient in a coma is still breathing and showing signs of cerebral activity. Comas are typically brought on by harm to or interference with certain brain areas, and their duration and depth give a clear indicator of how severe the damage was to the brain. Recovery times and the duration of comas might change depending on the severity of the injury. Brain stem reactions, spontaneous breathing, or unintentional motor responses may occur in coma patients. Three outcomes are possible from coma: brain death, recovery of consciousness, or development into a continuously depressed consciousness condition, such as a vegetative state.

Causes of coma: Diabetes: Hyperglycaemia and hypoglycaemia, respectively, are conditions in which a diabetic's blood sugar levels occasionally spike or fall excessively. A coma may develop if either of these conditions persists for too long.

A coma may result from hypoxia, or a lack of oxygen, which can happen following a heart attack, stroke, or incident involving a near-drowning. Traumatic brain injuries: Head injuries sustained in sports, violent attacks, and traffic accidents can put a victim in a coma. Infections: Encephalitis and meningitis, two conditions that cause severe inflammation of the CNS or the tissues surrounding the brain, respectively, can put a person in a coma.

No matter what causes the coma, the same series of circumstances frequently happens: the brain expands, presses against the skull, and harms the reticular activating system (the part of the brainstem that controls arousal from sleep). Individuals won't open their eyes, respond verbally, or move deliberately as a result. These are a coma's main characteristics. Even when stimulated, a person who remains unconscious and unable to wake up is said to be in a coma. Generally speaking about recovery, if the patient still has these reflexes, it is very likely that they will make a full recovery. Even though these responses might not be there at first, recovery is still possible. There are cases where people who don't exhibit these reactions go on to recover their functionality.