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What is a coma?
Educational only: videos on MedicalVideos.com are for general information and are not medical advice. Always consult your own doctor about your health.
A coma is a prolonged state of unconsciousness. During a coma, a person is unresponsive to his or her environment. The person is alive and looks like he or she is sleeping. However, unlike in a deep sleep, the person cannot be awakened by any stimulation, including pain.
This video in 30 seconds
This video explains what a coma is. A coma is described as a prolonged state of unconsciousness in which a person is unresponsive to their environment, appears to be sleeping, but cannot be awakened by any stimulation, including pain.
Key points
- A coma is a prolonged state of unconsciousness
- The person is unresponsive to their environment
- The person looks as if sleeping
- The person cannot be awakened by stimulation, including pain, unlike deep sleep
Video Overview
This video presents “What is a coma?” — A coma is a prolonged state of unconsciousness. During a coma, a person is unresponsive to his or her environment. The person is alive and looks like he or she is sleeping. However, unlike in a deep sleep, the person cannot be awakened by. Whether you are preparing for a procedure, studying the technique, or learning how a condition is assessed, the recording shows the process as it is performed in practice.
From our Neurology collection: Stroke, epilepsy, Parkinson's, dementia and nerve disorders — examinations and treatments explained by neurologists. Browse all Neurology videos →
Educational content only — not a substitute for professional medical advice.
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Founded by Dr. Mohamed Ibrahim, MD, PhD — physician-scientist.
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