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Doctor insights on: Coma

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Dr. Rashed Hasan
406 doctors shared insights

Coma (Overview)

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 the same as sleeping.


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How does a coma from head trauma and the head trauma itself damage the brain?

How does a coma from head trauma and the head trauma itself damage the brain?

Coma is a symptom: Head trauma is not brain trauma, both can co-exist. Coma is a symptom secondary to brain trauma, not to simple head trauma. Brain trauma sets up an incredibly complex train of chemical reactions, some of which begin immediately and others may begin years later. ...Read more

Dr. Rashed Hasan
406 doctors shared insights

Coma (Overview)

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 the same as sleeping.


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Can one person without being in a coma have abnormal posturing? What are the causes of this symptom? Thanks.

Can one person without being in a coma have abnormal posturing? What are the causes of this symptom? Thanks.

Yes!! : Abnormal posturing can occur in a large variety of conditions from psychiatric states (e.g. Catatonic schizophrenia) to organic conditions including drug reaction , cerebral palsy, extrapyramidal disorders ( such as chorea, parkinson's disease, hemi ballismus dystonia's etc ) the list is not exhaustive! ...Read more

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Do symptoms like myxedema coma go away quickly?

Medical emergency: Myxedema coma is a medical emergency and needs to be treated in the hospital. The symptoms for myxedema is vey similar to adrenal insufficiency and often times, patient will need treatment for both while labs are done. With proper treatment, patient can gradually improve, if the symptoms go away quickly, then you did not have myxedema coma. ...Read more

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Is there any documented evidence of signs that would signify coma recovery?

Ventilator: Overbreathing the set rate on the ventilator is a sign as is the presence of certain reflexes. ...Read more

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Can a person survive after going into a coma from being in car wreck?

Yes: A coma is a very serious condition associated with head injury and a certain percentage of people do not survive, however many people do survive and even recover to a great degree. The longer the coma the less complete the recovery. Even short comas of a few days can cause long term thinking problems but with rehabilitation there is potential for improvement. ...Read more

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Can a patient be in coma for less than 6hrs (as 6hrs is minimum)? What's the diagnose that someone is in coma?

A coma is a: Prolonged state of unconsciousness, during which a person is unresponsive to his or her environment, is alive and appears to be sleeping, but, unlike being in a deep sleep, the person cannot be awakened by any stimulation, including pain. I do not think there is a minimum time frame but, according to www.Brainandspinalcord.Org, a coma can last for a few seconds, or can last for years. ...Read more

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What tests are involved to determine brain death while one is in a coma?

What tests are involved to determine brain death while one is in a coma?

Physical exam: I agree with dr. Singer. There are certain aspects of the neurological exam that can also be done which can help determine if the brainstem is functioning. But the confirmatory tests are outlined by dr. Singer. ...Read more

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Has anybody you know recovered, after being in a coma totally?

Has anybody you know recovered, after being in a coma totally?

Yes: A coma occurs when the brain is injured. Recovery depends on whether the injury can be reversed. I have seen people in comas from a brain infection completely recover when the infection was treated. On the other hand, a person in a coma from a head injury may recover partially, or not at all. The longer the coma, the lower the chance for recovery. Ask a doctor the reason for the coma. ...Read more

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Since alcohol is a depressent and can cause coma, can it be used to put someone out for surgery? Or is it not strong enough?

Read on!: Alcohol was used in the past for sedation in some mostly minor surgeries but there are easier and safer ways of preparing the patients for surgery modern anesthesia is generally safe. ...Read more

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Does decorticate & decerebrate posturing during hypoglycemia followed by coma mean that a person has brain damage?

Does decorticate & decerebrate posturing during hypoglycemia followed by coma mean that a person has brain damage?

Posturing: It is definitely concerning to have this posturing. The ability to recover would relate to the amount of time the patient was hypoglycemic. ...Read more