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Blood transfusions are sometimes required in healthcare. Based on what you know about for anatomy discuss...

Blood transfusions are sometimes required in healthcare. Based on what you know about for anatomy discuss why a patient would need a transfusion of PRBC, plasma, or platelets. A patient with anemia has a pulse oximetry reading in the high 80s, would this be an expected finding, explain?
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Blood transfusions are required when the amount of blood in the blood vessels is insufficient for effective delivery of oxygen to the body tissues.Packed RBCs help in delivery of oxygen ,platelets help prevent bleeding tendencies and plasma make up for volume of blood.

In anemia, there is decreased hemoglobin, but saturation of hemoglobin with oxygen should be normal(95-98%).So it is not an expected finding.

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