Doctor insights on:
Brain Damage Following Cardiac Arrest
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
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
Could a pacemaker keep an individuals heart beating after a cardiac arrest. If the answer to the above question is yes, then how long would it continue to assist the heart in beating and would it help to prevent brain damage until medical help arrives.
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
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 moreSee 1 more doctor answer
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
Brain injury is a condition in which the brain is damaged due to an injury. Brain injury often results when the head violently and suddenly hits an object or when an object deeply pierces the head. The symptoms of brain injury vary from mild to severe depending on how much the ...Read more
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