AIR.md

AIR Score

Estimate the Likelihood of Appendicitis

Calculators

• https://www.mdcalc.com/appendicitis-inflammatory-response-air-score

Criteria	Points
Vomiting	1
RLQ [1] Pain	1
Rebound Tenderness	1: Mild 2: Moderate 3: Strong
Temperature ≥ 38.5 °C	1
Leukocytosis	1: 10 × 103 cells/mm3 – 14.9 × 103 cells/mm3 2: ≥ 15 × 103 cells/mm3
Granulocytes/PMN [2]	1: 70 – 84 % 2: ≥ 85%
CRP	1: 10 – 49 mg/L 2: ≥ 50 mg/L

Points	Likelyhood
≤ 4	Low
5 – 8	Moderate
≥ 9	High

Definitions

1. RLQ - Right Lower Quadrant
2. PMN - Polymorphonuclear Leukocytes