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NV
A 57-year-old female asked:

how much blood must be lost during a surgery in order for a blood transfusion to be administered?

1 doctor answer2 doctors weighed in
Dr. Stephen Southard
Internal Medicine 15 years experience
Depends: This depends on what your starting blood counts are, what your underlying medical comorbidities(ailments) are, and how your body is responding to blood loss. For some people, it may be many mLs, for others, particularly if they've had ongoing blood loss prior to the surgery, it may be after only a small amount(as in less than 200 mLs).

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Similar questions

Manchester, KY
A 37-year-old female asked:

Do I have a choice of whether I wish to receive a blood transfusion before a surgery if things were to go wrong and I lose lots of blood during????

1 doctor answer2 doctors weighed in
Dr. Ed Friedlander
Pathology 44 years experience
Yes: You are free to refuse blood transfusions if you want. In this situation, your will pay for your bad decision with your life. Jehovah's Witnesses do this stuff. They die. Most surgeons would refuse to operate until you wise up. Blood component therapy has risks but today they are nothing compared to the risks of believing international scare stories and refusing needed health care.

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Last updated Mar 30, 2020
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