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How to Use a Peak Flow Meter

From About.com

Updated: September 19, 2008

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Get Ready to Blow Out Through the Peak Flow Meter

Peak Flow Meter Blow Out

Get Ready to Blow Out

Photo courtesy of A.D.A.M.
Place the mouthpiece into your mouth, between your teeth. Keep your tongue away from the opening so that you don't block it. Next, close your lips (not your teeth) around the mouthpiece.

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Asthma

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  7. Blowing Out Through the Peak Flow Meter

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