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Doctor insights on: Can You Get Brain Damage From Lack Of Oxygen Fainting

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Can you get brain damage from lack of oxygen fainting?

Can you get brain damage from lack of oxygen fainting?

Generally no: A simple faint restores adequate blood flow to the brain as you become horizontal, and recovery is forthcoming. If you have brain damage from a faint it can be from a near- fatal arrhythmia (such as from long qt syndrome or hypertrophic cardiomyopathy.), or prolonged seizure. A physician can help determine if there is cause for concern. ...Read more

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Dr. Vasu Brown
313 doctors shared insights

Brain Damage (Definition)

Anything that disrupts tissue integrity can cause brain damage: lack of or reduced oxygen (stroke), viamin deficiency, pressure (hydrocephalus, or, bleeding or tumor inside the skull), blunt or penetrating trauma; infection; inflammation (immune system mediated or otherwise); toxins (alcohol, ecstasy, lead, mercury, arsenic, to name but a few); diseases (ms, diabetes, ...Read more


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Can you get brain damage from lack of oxygen from snoring?

Can you get brain damage from lack of oxygen from snoring?

2 different events: Snoring results from vibration emitted from the upper airways, for instance a sides of the nostrils moving toward the septum during inhalation or more likely from vibration of the soft palate, uvula & perhaps tongue. Snoring is a noise. Its cause is airway obstruction. Severe obstruction blocks oxygen getting into the lung, hence possible brain injury--consider having polysomnogram test. ...Read more

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What are we doing in brain damage by lack of oxygen?

What are we doing in brain damage by lack of oxygen?

Hypoxia/anoxia: A lack or deficit of oxygen to the brain can occur for a variety of reasons. The term for this is hypoxia. Complete lack of oxygen is referred to as anoxia and is more severe. The neurons are particularly sensitive to this lack of oxygen and will die. This then results in the brain damage. In the most severe cirucumstances, this can lead to death of the patient. ...Read more

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How long does it take before brain damage occur from lack of oxygen to the brain?

How long does it take before brain damage occur from lack of oxygen to the brain?

4 minutes or more: In the event of a full blown cardiac arrest there can be brain damage in as little as 4 to 5 minutes without circulation at normal body temperature. If the body had been cooled by submersion in cold water it could be much longer. Less severe lack of oxygen will take longer to produce brain damage. ...Read more

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Can smoking cigarettes cause brain damage due to lack of oxygen or something?

Can smoking cigarettes cause brain damage due to lack of oxygen or something?

Indirectly: Smoking is a major cause of arteriosclerosis, narrowing of arteries and reducing blood flow to the brain as well as strokes. All can lead to brain damage. ...Read more

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70% brain damage, not in a single area, due to lack of oxygen (caused by asphyxia), what are the chances to awaken and regain full consciousness?

70% brain damage, not in a single area, due to lack of oxygen (caused by asphyxia), what are the chances to awaken and regain full consciousness?

Unlikely: The extent of brain damage is not as important as the specific areas of the brain that are affected. So, if the pons or medulla were affected, you would be considered brain dead already. But, if you loose that much area, you will have significant mental status changes and impairments of motor function. This is not a good circumstance. ...Read more

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Can you heal or reverse brain damage cause at birth from lack of blood and oxygen to the brain with healing foods or any break through medications?

I'm sorry: Please forgive my frankness. Charlatans prey on the desperation of handicapped people to make money. Anyone offering you "healing foods" or some magic supplement is trying to scam you. However, there are whole practices of medicine that focus on helping folks with this kind of disability -- not with the hope of cure or reversing the tissue injury, but making life easier and more enjoyable. ...Read more

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When I run, after 400m it feels like I get hit in the head by a brick and experience a migraine for a day or 2. Is this due to lack of oxygen to brain?

When I run, after 400m it feels like I get hit in the head by a brick and experience a migraine for a day or 2. Is this due to lack of oxygen to brain?

No: You probably have exertional migraine. Find out what your baseline heart rate and BP is than try a course of a selective Beta blocker like Naldolol, Atenolol or Metoprolol under physician supervision. Hopefully this will get rid of the problem without bottoming out your BP. ...Read more

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How does a lack of oxygen affect the brain?

How does a lack of oxygen affect the brain?

Cerebral anoxia: Confusion or loss of consciousness, dizziness, seizures, coma. Oxygen deprivation to the brain causes brain cells to die within minutes. ...Read more

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What are the effects of lack of oxygen to the brain?

What are the effects of lack of oxygen to the brain?

Stroke or death : If localized area then patient will have stroke but if it's global and for long time then can cause brain death. ...Read more

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Is all death lack of oxygen? Is all brain death lack of oxygen? Can humans die solely from too much oxygen?

Is all death lack of oxygen? Is all brain death lack of oxygen?  Can humans die solely from too much oxygen?

Not for "BrainDeath": Yes lack of oxygen is a cause of brain damage from a variety of causes. One can also have brain death from trauma (head injury). Also metabolic issues such as to low blood sugars. Also too much oxygen can damage the lung tissue. ...Read more

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Does a catscan show lack of oxygen in brain ?

Does a catscan show lack of oxygen in brain ?

CT scan brain: It can show that if the brain has suffered severe ischemic brain injury. However, in someone who is walking and talking, a ct is very unlikely to show any signs of a slightly diminished delivery of oxygen to the brain. ...Read more

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Would a lack of oxygen in the brain cause a air hunger feeling?

Would a lack of oxygen in the brain cause a air hunger feeling?

Sure: The body is powerful and when not getting enough air (or oxygen) it will stimulate you to breath more coming from direction of your brain. It can also cause cloudy thinking or headaches. ...Read more

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Mama was in an accident and left brain damaged due to lack of oxygen 2 years ago. Will she ever be mama again?

Mama was in an accident and left brain damaged due to lack of oxygen 2 years ago. Will she ever be mama again?

The chances are poor: After 2 years it is unlikely there will be much further improvement in cerebral function after an anoxic event.However where there's life there's hope. ...Read more

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Can breathing difficulty cause some effect with the brain because of the lack of oxygen?

Can breathing difficulty cause some effect with the brain because of the lack of oxygen?

Depends: Breathing difficulty can be associated with low oxygen delivery to the body and therefore the brain in multiple different conditions. Physicians can evaluate people for decreased oxygen delivery to the body through taking a history of their issues, performing physical exam, measuring oxygen saturation non-invasively as well as through other laboratory and diagnostic evaluation. ...Read more

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Hi there, I was recently exercising, felt like I was going to faint after and had some loss of vision, I exercise in a bedroom is it a lack of oxygen?

Hi there, I was recently exercising, felt like I was going to faint after and had some loss of vision, I exercise in a bedroom is it a lack of oxygen?

Exercise illness: Since you give no age, and experienced a faint feeling with a loss of vision, you maybe having a valve problem of your heart or a blockage in a major artery of your neck. This is serious and you should get a check by your doctor asap. ...Read more

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Need diagnosis for 15 yr. Old son. School thinks may have autism, ocd, anoxic brain damage? Have never been able to get diagnosis. What doc to go to?

Need diagnosis for 15 yr. Old  son. School thinks may have autism, ocd, anoxic brain damage? Have never been able to get diagnosis. What doc to go to?

School saying Help!: An evaluation by a team - dbpede, neurologist, neuropsychologist, child psychiatrist, et al will establish both categorical & etiologic diagnoses & provide recommendations for medical, educational, behavioral & social/adaptive interventions to help your son function to the best of his ability in his transition to adulthood. Idea requires the school to pick a category for services & they need help. ...Read more

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Dr. Tanya Russo
232 doctors shared insights

Hypoxia (Definition)

Hypoxia, is a condition in which the body as a whole or a region of the body is deprived of adequate oxygen supply. It is classified into 4 groups: - hypoxemic - oxygen is low - anemic - decreased ability for hemoglobin to carry oxygen. - ischemic - decreased blood flow. - histotoxic - oxygen is reaching the cells, but the cells are unable to use ...Read more


Dr. Rajiva Goyal
1,185 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