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Doctor insights on: Is There A Difference Between Coma And Loss Of Consciousness

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Is there a difference between coma and loss of consciousness?

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 more

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Dr. Rajiva Goyal
1,154 doctors shared insights

Syncope (Definition)

Loss of consciousness and postural tone caused by diminished cerebral blood flow. Syncope may indicate a particular medical condition, however often it may occur in an otherwise healthy individual. It is a common problem, accounting for 3% ...Read more


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What is the difference between unconsciousness and coma?

No differrence: I would rather explain different levels of unconsciousness and coma with gcs. ...Read more

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What's the difference between unconsciousness and a coma?

What's the difference between unconsciousness and a coma?

Same Thing: Coma and unconsciousness are ways of saying the same thing. They both refer to a state that is often caused by serious injury, especially to the head. There are depths or levels of coma/unconsciousness, which are assessed by using neurological rating scales. ...Read more

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What is the difference between shock and a coma?

What is the difference between shock and a coma?

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

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What is the difference between a coma and a vegetative state?

What is the difference between a coma and a vegetative state?

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

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Is there any way to tell the difference between concussion and a coma?

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 more

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What's the difference between the physiology of sleeping and a coma?

What's the difference between the physiology of sleeping and a coma?

Able to awaken: Coma is a state of shut down of brain activity. It is defined by basic brain function, reactivity to stimulation, and eeg studies. There are many levels. The main issue is whether the patient can awaken. Anesthesia is a state of induced coma. Deep sleep is a natural form of coma. Death is the deepest coma. ...Read more

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What is the difference between brain death and coma?

Death vs coma: Coma is a state of unconscious unresponsiveness. The person is still alive but unable to respond. An electroencephalogram will show electrical activity indicating the brain is functioning although at an impaired state. Brain death the person is no longer alive. An electroencephalogram would show no brain activity. ...Read more

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What is the difference between a coma and a locked-in syndrome?

Different responses: Coma is a state of unconscious unawareness . due to diffuse brain involvement. Lock in syndrome is a condition of brain stem damage where the person in paralyzed with only eye movements preserved. The individual can be fully aware but unable to respond. ...Read more

Dr. Rashed Hasan
406 doctors shared insights

Coma (Definition)

Coma is a medical condition characterized by an non arousable state of unconsciousness. The brain activity seen in a comatose patient shows that being in a coma is not ...Read more


Dr. Marc Bloom
210 doctors shared insights

Loss Of Consciousness (Definition)

Unconsciousness is a state of being unresponsive to stimuli, and unaware. People who faint are temporarily unconscious, and people in a coma are in a ...Read more