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What is the personal best peak expiratory flow (PEF)?

ANSWER

The "personal best" peak expiratory flow (PEF) is the highest peak flow number you or your child can achieve over a 2 to 3 week period when asthma is under good control.

From: Asthma and the Peak Flow Meter WebMD Medical Reference

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Peak Flow Meter: Tips to Remember." 

American Lung Association: "Measuring Your Peak Flow Rate."

MedlinePlus: "How to use your peak flow meter."

Asthma and Allergy Foundation of America: "Peak Flow Meters."

Reviewed by Sabrina Felson on October 22, 2018

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Peak Flow Meter: Tips to Remember." 

American Lung Association: "Measuring Your Peak Flow Rate."

MedlinePlus: "How to use your peak flow meter."

Asthma and Allergy Foundation of America: "Peak Flow Meters."

Reviewed by Sabrina Felson on October 22, 2018

NEXT QUESTION:

How do you determine your personal best peak flow number?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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