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Pediatric Asthma Severity Score (PASS) for Asthma Exacerbation Severity

None or mild 0
Moderate 1
Severe wheezing or absent due to poor air movement 2
Work of breathing
Use of accessory muscles, retractions
Normal or mildly diminished 0
Moderate 1
Severe 2
Prolongation of expiration
Ratio of expiration to inspiration
Normal or mildly prolonged 0
Moderately prolonged 1
Severely prolonged 2


Result Interpretation

Ranges Ranges

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