How to use your peak flow meter
St. Luke's Hospital
Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
Find a Physician Payment Options Locations & Directions
Follow us on: facebook twitter Mobile Email Page Email Page Print Page Print Page Increase Font Size Decrease Font Size Font Size
America's 50 Best Hospitals
Meet the Doctor
Spirit of Women
Community Health Needs Assessment
Home > Health Information

Multimedia Encyclopedia

How to use your peak flow meter

Alternate Names

Peak flow meter - how to

Description

A peak flow meter helps you check how well your asthma is controlled. Peak flow meters are most helpful if you have with moderate to severe persistent asthma.

How to Measure Peak Flow

  • Move the marker to the bottom of the numbered scale.
  • Stand up straight.
  • Take a deep breath. Fill your lungs all the way.
  • Hold your breath while you place the mouthpiece in your mouth, between your teeth. Close your lips around it. Do not put your tongue inside the hole.
  • Blow out as hard and fast as you can in a single blow. Your first burst of air is the most important, so blowing for a longer time will not affect your result.
  • Write down the number you get. But, if you coughed or did not do the steps right, do not write down the number. Do it over again.
  • Move the marker back to the bottom and repeat these steps 2 more times. The highest of the 3 numbers is your peak flow number. Write it down in your log chart.

Many children under age 5 cannot use a peak flow meter very well. But, some are able to. Start using peak flow meters before age 5 to get your child used to them.

Find Your Personal Best

To find your "personal best" peak flow number, take your peak flow each day for 2 - 3 weeks. Your asthma should be under good control during this time. Take your peak flow as close to the times of day below as you can. These times for taking your peak flow are only for finding your personal best peak flow:

  • Between noon and 2 p.m. each day
  • Each time after you take your quick-relief medicine to relieve symptoms
  • Any other time your doctor tells you to

Write down the number you get for each peak flow reading. The highest peak flow number you had during the 2 - 3 weeks is your personal best.

Ask your doctor to help you fill out an asthma action plan. This plan should tell you when to call the doctor for help and when to use medicines if your peak flow drops to a certain level.

Your personal best can change over time. Ask your doctor when you should check for a new personal best.

Use Your Peak Flow Meter Every Day

Once you know your personal best, take your peak flow at these times:

  • Every morning when you wake up, before you take medicine. Make this part of your daily morning routine.
  • When you are having asthma symptoms or an attack. Then take it again after you take medicine for the attack. This can tell you how bad your asthma attack is and if your medicine is working.
  • Any other time your doctor tells you to.

Check to see which zone your peak flow number is in. Do what your doctor told you to do when you are in that zone. This information should be in your action plan. If you use more than one peak flow meter (such as one at home and another one at school or work), be sure that all of them are the same brand.

References

National Asthma Education and Prevention Program Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma. Rockville, MD. National Heart, Lung, and Blood Institute, US Dept of Health and Human Services; 2007. NIH publications 08-4051.


Review Date: 5/16/2012
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
adam.com
 


Back  |  Top
About Us
Contact Us
History
Mission
Locations & Directions
Quality Reports
Annual Reports
Honors & Awards
Community Health Needs
Assessment

Newsroom
Services
Brain & Spine
Cancer
Heart
Maternity
Orthopedics
Pulmonary
Sleep Medicine
Urgent Care
Women's Services
All Services
Patients & Visitors
Locations & Directions
Find a Physician
Tour St. Luke's
Patient & Visitor Information
Contact Us
Payment Options
Financial Assistance
Send a Card
Mammogram Appointments
Health Tools
My Personal Health
mystlukes
Spirit of Women
Health Information & Tools
Clinical Trials
Health Risk Assessments
Employer Programs -
Passport to Wellness

Classes & Events
Classes & Events
Spirit of Women
Donate & Volunteer
Giving Opportunities
Volunteer
Physicians & Employees
For Physicians
Remote Access
Medical Residency Information
Pharmacy Residency Information
Physician CPOE Training
Careers
Careers
St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
Copyright © St. Luke's Hospital Website Terms and Conditions  |  Privacy Policy  |  Patient Notice of Privacy Policies PDF Sitemap St. Luke's Mobile