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Doctor insights on: Is There Brain Function During A Cardiac Arrest

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Is there brain function during a cardiac arrest?

Is there brain function during a cardiac arrest?

No: Cardiac arrest means- heart not beating, hence no blood flow/ circulation- brain does not function when there is no blood supply. ...Read more

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Dr. Creighton Wright
3,921 doctors shared insights

Heart Attack (Definition)

Heart attack is a life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the ...Read more


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Can your brain still function after having cardiac arrest?

Can your brain still function after having cardiac arrest?

Yes: Depends how long the brain was without oxygen - if the patient was immediately resuscitated, many of them recover completely. ...Read more

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Please tell me, could brain rumors cause cardiac arrest?

Please tell me, could brain rumors cause cardiac arrest?

Brain rumors?: I imagine you meant to write brain "tumors". A brain tumor wouldn't directly cause a heart attack, but a person with a brain tumor could certainly have a cardiac arrest, especially related to surgery or other treatment complication. ...Read more

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Can you tell me what to expect with someone who has had a family member die of brain death/cardiac arrest?

Can you tell me what to expect with someone who has had a family member die of brain death/cardiac arrest?

Grieving: The death of a loved one usually triggers grieving. The person may feel disbelief. Try to barter with god. Be angry. Be sad. At some point acceptance will come. This is a time to provide support. ...Read more

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Cardiac arrest related to brain inflammation?

Cardiac arrest related to brain inflammation?

Cause of death: Brain swelling (edema) will eventually cause the brain to herniate through one of the layers of protective scaffolding. This usually leads to wild fluctuations in blood pressure and rapidly to respiratory and cardiac arrest. However, the cause of death is the cause of the brian edema, not the cardiac arrest. ...Read more

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Cardiac arrest and brain inflammation, how are these related?

Cardiac arrest and brain inflammation, how are these related?

Hypoxia related: It is believed that during cardiac arrest and during all the efforts to save a person, there is hypoxia to the brain and this causes inflammation. There are also the release of hormones during the stress causing the inflammation. In some facilities where it is available, head trauma and cardiac arrest are treated with hypothermia to decrease and calm inflammation and decrease o2 need. ...Read more

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Is there a connection between cardiac arrest and brain damage?

Yes: cardiac arrest leads to lack of blood flow to the brain and after just a few minutes there is usually irreversible damage ...Read more

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How much time can a person be in cardiac arrest and survive with little to no brain damage when they are in icy?

How much time can a person be in cardiac arrest and survive with little to no brain damage when they are in icy?

Varies: Less than 5 minutes is the normal temperature answer. There have been anecdotal events of people that have been hours in icy water that regain consciousness with no brain damage, it is thought to be due to a decrease in metabolism. No real time known due to the fact that we can't really experiment to find out, and we only see it when it happens in real life. Not so common. ...Read more

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My grandmother of age 70 got cardiac arrest and hypoxic brain injury occured. How long it will take to recover?

My grandmother  of age 70 got cardiac arrest and hypoxic brain injury occured. How long it will take to recover?

Well : The majority of the recovery occurs the first three or four days. Then there can be some slow recovery of brain function. You really need to ask your neurologist or intensive care doctor what they think the prognosis is and what progress she's making ...Read more

Dr. Louis Gallia
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Cardiac Arrest (Definition)

Most cardiac arrest episodes are due to the heart rhythm becoming inadequate to pump blood to the body. Ventricular fibrillation is commonly the abnormal rhythm associated with cardiac arrest. If effective rhythm isn't ...Read more


Cerebrum (Definition)

Cerebrum essentially refers to the majority of the brain. Embryologically, it develops from the telencephalon, and together with the diencephalon, ...Read more