Coma - Wikipedia A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal sleep-wake cycle and does not initiate voluntary actions [1]
Coma - Symptoms and causes - Mayo Clinic Coma is a state of prolonged loss of consciousness It can have a variety of causes, including traumatic head injury, stroke, brain tumor, or drug or alcohol intoxication A coma may even be caused by an underlying illness, such as diabetes or an infection
Coma: Types, Causes, Treatments, Prognosis - WebMD During a coma, a person is unresponsive to their environment The person is alive and looks like they are sleeping However, unlike in a deep sleep, the person cannot be awakened by any
Coma: Symptoms, Treatment, and Outlook A coma is a type of deep unconsciousness causing a lack of awareness, response, or movement Comas can be caused by brain damage due to many different conditions, such as severe cases of low blood sugar, head injury, and infection The outlook of a coma can depend on the person, coma cause, and coma severity Recovery is possible for some people
Coma: What It Is, Causes, Diagnosis, Symptoms Treatment A coma is a medical emergency If you’re with someone who’s unconscious and unresponsive, call 911 (or your local emergency services number) immediately Many causes of coma need immediate medical care, and any delay could lead to dangerous complications or death How common are comas?
Coma - MedlinePlus 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