The Allowable Blood Loss (ABL) Calculator estimates the maximum volume of blood a patient can lose before requiring a transfusion, using parameters such as weight, initial hematocrit, and minimum acceptable hematocrit. The calculator includes options for different age groups with specific blood volume estimates. Disclaimer: This tool is intended for estimation purposes only. Clinical decisions should be based on a comprehensive assessment by healthcare professionals.

Allowable Blood Loss Calculator

Calculate the maximum allowable blood loss before a transfusion may be needed.

Age Group: Adult Infant Neonate (Premature) Neonate (Full-Term)

Patient's Weight (kg):

Initial Hematocrit (%):

Minimum Acceptable Hematocrit (%):

Calculated Allowable Blood Loss:

Total ABL: mL

Keywords

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• Blood Loss Estimation Tool
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• Hematocrit Calculation Tool
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Tags

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• #Hematocrit
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• #PreoperativeAssessment