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Cornell Pediatrics

Peak Flows

Obtain the normal predicted average peak expiratory flow based on the patient's height for children and adolescents (less than 20 years of age). Enter the measured personal best peak flow and the percent of predicted will be calculated as well.

Patient Height in cm
Measured Peak Flow   L/min  
 
 
 
Predicted Peak Flow   L/min  
Percent of Predicted 
 %  

 

An acceptable peak flow in the "Green Zone" is more than 80% of predicted.

Patient height in the data table ranges from 43" to 67".

Data from Polgar G, Promadhat V. Pulmonary Fuction Testing in Children: Techniques and standards. Philadelphia. W.B. Saunders Company. 1971.

 

Created: October 24, 2000
Revised: October 25, 2000

Weill Medical College of Cornell University
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