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Table 1 Abbreviated Injury Score grading scale for inhalation injury on bronchoscopy [1]

From: Diagnosis and management of inhalation injury: an updated review

Grade

Class

Description

0

No injury

Absence of carbonaceous deposits, erythema, edema, bronchorrhea, or obstruction

1

Mild injury

Minor or patchy areas of erythema, carbonaceous deposits, bronchorrhea, or bronchial obstruction

2

Moderate injury

Moderate degree of erythema, carbonaceous deposits, bronchorrhea, or bronchial obstruction

3

Severe injury

Severe inflammation with friability, copious carbonaceous deposits, bronchorrhea, or obstruction

4

Massive injury

Evidence of mucosal sloughing, necrosis, endoluminal obstruction