Doctor insights on:
Is There A Difference Between Coma And Loss Of Consciousness
Continuum: Coma is the deepest form of loss of consciousness (loc), in which no responsiveness to the external environment exists. This can be reversible. Technically a concussion with loc means a momentary coma has occurred but the term is rarely used in that circumstance. Simple loc means loss of awareness to some external stimuli with preserved responsiveness to noxious stimuli. ...Read moreSee 1 more doctor answer
As follows: Shock is usually a diffuse dysfunction in bodily organ systems due to vascular collapse, associated with low blood sugar or low blood pressure, and secondary complications. Coma merely implicates loss of consciousness and lack of responsivity to stimuli, and can be caused by mainly disorders, including trauma. ...Read more
Awake versus not : A coma is a state of unconsciousness. A person in coma does not open eyes, or respond to the environment beyond reflexes. In vegetative state there may be eye opening, and even the patient may follow objects with their eyes, yawn and appear more "awake" but do not speak, follow commands or move purposefully. Both involve significant brain disorder. Prognosis can vary based on cause, . ...Read more
Yes: A concussion is a traumatic injury to the brain that typically results from a blow to the head, and may or may not result in the loss of consciousness. A coma, on the other hand, is a state of unconsciousness in which people do not interact with the environment. The causes and outcomes of coma vary. ...Read moreSee 1 more doctor answer
Big difference: Persons in a coma that is not induced by medication typically have damage to a part of their brain that governs sleep-wake cycles called the reticular activating system. They do not respond to the natural processes that wake us up after sleep. They cannot be awakened by loud noises or change in light. There are different levels of coma. Even people sleeping deeply have a normal nervous system. ...Read more
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