Estimated Blood Loss: In the Equation of the Beholder

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Accurately quantifying surgical blood loss can be critical as a clinical trial outcome, and understanding estimated blood loss is important to patient care. In addition to visual estimates, anthropometric and laboratory data can be used to estimate surgical blood loss. In this infographic, we review recent work that utilized an existing data set to compare directly measured surgical blood loss to 3 previously described methods of estimating surgical blood loss and one newly derived approach.1
Hct indicates hematocrit; EBV, estimated blood volume; Hcti, initial hematocrit; Hctf, final hematocrit.
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