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RE: How would you measure the volume of all the blood in your body?
It looks very logical, at the end of the day. How long does it take, in general? I mean, in case of emergency, is there a way to get quickly access to the information?
Both of the methods used take quite a while. I know the constant perfusion method can take up to 4 hours. In an emergency quicker diagnostic test are used to identify the problem, like using specific blood markers from a blood test. Although these values may not always be the most accurate, the speed with which they can be obtained is useful in deciding how to proceed in an emergency.