Blood Loss Estimator

Estimate blood loss in obstetrics and surgery. Visual and quantitative methods.

Patient Data

Sex

Patient Weight

Hct Initial

Hct Final

Volume Estimates

Estimated Blood Loss1633mLEst. Lost

Estimated Blood Volume4900mLBaseline

Blood Loss %33.3%Vol %

StatusMassive (Class III/IV)

Significant blood loss detected. Crystaloid expansion or blood products may be necessary.

Disclaimer: This tool is for informational purposes only and is not a substitute for professional medical advice.

Overview

Blood loss estimation: visual and quantitative methods.

Fun Facts

Formula: Visual: 1 fully soaked pad ≈ 50–100 mL. Sponge weight: (wet − dry) grams ≈ mL.

Used with this

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