PRAM (pediatric asthma severity)
Pediatric Respiratory Assessment Measure (Chalut 2000): suprasternal retractions (0/2), scalene use (0/2), air entry (0-3), wheezing (0-3), SpO2 on room air (0-2); sum 0-12 (0-3 mild, 4-7 moderate, 8-12 severe).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Suprasternal retractions
- 2
- Scalene muscle use
- 2
- Air entry
- 1
- Wheezing
- 2
- SpO2 on room air
- 1
Result: PRAM 8 of 12: severe asthma per Chalut 2000 (8-12 band).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- 0-3
- Mild asthma per Chalut 2000.
- 4-7
- Moderate asthma per Chalut 2000.
- 8-12
- Severe asthma per Chalut 2000.
What you enter
- Suprasternal retractions (0 absent / 2 present)
- Scalene muscle use (0 absent / 2 present)
- Air entry (0-3)
- Wheezing (0-3)
- SpO2 on room air (0 >= 95% / 1 92-94% / 2 < 92%)
How this is calculated
Chalut DS, Ducharme FM, Davis GM. The Preschool Respiratory Assessment Measure (PRAM): a responsive index of acute asthma severity. J Pediatr. 2000;137(6):762-768. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.