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How to Measure Your Peak Expiratory Flow

Set the meter to its lowest number: Step 1

Put the pointer on the gauge of the peak flow meter to 0 or the lowest number on the meter. In the photo, this is about 50.

ByHealthwise Staff
Primary Medical ReviewerJohn Pope, MD - Pediatrics
Specialist Medical ReviewerLora J. Stewart, MD - Allergy and Immunology
Last RevisedMarch 14, 2013

WebMD Medical Reference from Healthwise

Last Updated: March 14, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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