Surgical Apgar Score (SAS) for Post-Operative Risk

Predicts post-operative risk of major complication, including death.

Estimated blood loss (EBL)

>1000 mL

601-1000 mL

101-600 mL

≤100 mL

Lowest Mean Arterial Pressure

<40 mmHg

40-54 mmHg

55-69 mmHg

≥70 mmHg

Lowest Heart Rate

'Pathologic Bradyarrhythmia' includes sinus arrest, AV [atrioventricular] block or dissociation, junctional or ventricular escape rhythm

>85 bpm

76-85 bpm

66-75 bpm

56-65 bpm

≤55 bpm

Pathologic bradyarrhythmia or asystole

Interpretation

Source: Gawande AA, Kwaan MR, Regenbogen SE, Lipsitz SA, Zinner MJ. An Apgar score for surgery. J Am Coll Surg. 2007 Feb;204(2):201-8. Epub 2006 Dec 27. PubMed PMID: 17254923.

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