II. Criteria (1 point assigned for each item)
- Penetrating mechanism of injury
- Positive focused assessment sonography for Trauma (FAST)
- Arrival systolic Blood Pressure of 90 mm Hg or less
- Arrival Heart Rate > or = 120 bpm
III. Interpretation
- Score 0-1: Massive Transfusion unlikely
- Score 3: Massive Transfusion likely
- Score 4: Massive Transfusion will be needed