Coma
About “Coma”:
A coma is a prolonged state of deep unconsciousness in which a person cannot be awakened, fails to respond normally to stimuli, lacks a normal sleep-wake cycle and does not initiate voluntary actions. The person may experience respiratory and circulatory problems due to the body's inability to maintain normal bodily functions. People in a coma often require extensive medical care to maintain their health and prevent complications such as pneumonia or blood clots. Coma patients exhibit a complete absence of wakefulness and are unable to consciously feel, speak or move. Comas can be the result of natural causes, or can be medically induced; for example, during general anesthesia.
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