Maull presented several heuristics for estimating blood loss in a patient after severe trauma.
External Blood Loss
Each 1 square foot (929 square cm) of blood (on clothing, on floor) represents approximately 100 mL of blood.
Fractures with Major Blood Loss
200 - 500 mL
tibia with/without fibula
400 - 700 mL
1,000 - 1,500 mL
> 2,000 mL
variable, may be major
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Purpose: To estimate the amount of blood loss associated with severe trauma using the heuristics of Maull.
Specialty: Clinical Laboratory, General Surgery, Anesthesiology, Emergency Medicine, Critical Care
Objective: other testing, dosage calculations