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What’s a peak flow meter lung function test?

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A peak flow meter is a plastic tube with a mouthpiece on one end, which you breathe into. Peak flow meter tests measure how well your lungs push out air. They are less accurate than spirometry, but these lung function tests can be a good way to regularly test your lung function at home -- even before you feel any symptoms. A peak flow meter can help you know what makes your asthma worse, whether treatment is working, and when you need to seek emergency care.

From: Asthma and Lung Function Tests WebMD Medical Reference

SOURCES: American Academy of Asthma, Allergy, and Immunology: "What to expect at the doctor's office."  American Lung Association: "Spirometry and Other Lung Function Tests Fact Sheet."  American Medical Association: .  Asthma and Allergy Foundation of America: "Peak Flow Meters." Grayson, M. 2005 National Asthma Education and Prevention Program: "Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma -- 2002."  National Heart, Lung and Blood Institute: "Asthma: How is Asthma Diagnosed?"  MedlinePlus: "Pulmonary Function Tests."  National Lung Health Education Program: "Spirometry."







Essential Guide to AsthmaACP Medicine, .

Reviewed by Dan Brennan on August 18, 2019

SOURCES: American Academy of Asthma, Allergy, and Immunology: "What to expect at the doctor's office."  American Lung Association: "Spirometry and Other Lung Function Tests Fact Sheet."  American Medical Association: .  Asthma and Allergy Foundation of America: "Peak Flow Meters." Grayson, M. 2005 National Asthma Education and Prevention Program: "Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma -- 2002."  National Heart, Lung and Blood Institute: "Asthma: How is Asthma Diagnosed?"  MedlinePlus: "Pulmonary Function Tests."  National Lung Health Education Program: "Spirometry."







Essential Guide to AsthmaACP Medicine, .

Reviewed by Dan Brennan on August 18, 2019

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