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Emergency Medicine · Trauma Surgery · ICU and Critical Care

ABC Score for Massive Transfusion calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

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0

ABC 0–1 — below the published MTP-trigger threshold

Band: ABC 0–1 — below the published MTP-trigger threshold

Interpretation. ABC 0–1 — below the published MTP-trigger threshold

Suggested management. Score <2 was below the Nunez cutoff used to flag likely massive transfusion. Continue trauma resuscitation and reassess bleeding risk with the full clinical picture.

ABC Score for Massive Transfusion: 0 — ABC 0–1 — below the published MTP-trigger threshold. Interpretation: ABC 0–1 — below the published MTP-trigger threshold What to do: Score <2 was below the Nunez cutoff used to flag likely massive transfusion. Continue trauma resuscitation and reassess bleeding risk with the full clinical picture. Inputs: Penetrating mechanism of injury: false; Positive FAST for intraperitoneal or pericardial fluid: false; Arrival systolic blood pressure ≤90 mmHg: false; Arrival heart rate ≥120 bpm: false Source: Nunez TC et al. Early prediction of massive transfusion in trauma: simple as ABC (assessment of blood consumption)? J Trauma. DOI: 10.1097/TA.0b013e3181961c35. PMID: 19204506. Scope: four equally weighted arrival criteria (penetrating mechanism, positive FAST, SBP ≤90 mmHg, HR ≥120); score ≥2 predicted massive transfusion. (2009)

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Clinical inputs

  • Penetrating mechanism of injury
  • Positive FAST for intraperitoneal or pericardial fluid
  • Arrival systolic blood pressure ≤90 mmHg
  • Arrival heart rate ≥120 bpm

Primary source

Nunez TC et al. Early prediction of massive transfusion in trauma: simple as ABC (assessment of blood consumption)? J Trauma. DOI: 10.1097/TA.0b013e3181961c35. PMID: 19204506. Scope: four equally weighted arrival criteria (penetrating mechanism, positive FAST, SBP ≤90 mmHg, HR ≥120); score ≥2 predicted massive transfusion. (2009)

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