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Peak Flow Monitoring

What is peak flow?

Peak flow is the measurement of how effectively air moves out of your lungs . A peak flow meter monitors your asthma the way a blood pressure cuff monitors your blood pressure. Measuring peak flow helps determine any narrowing in your airways before you have an actual attack. This allows you to take your medicine before a serious attack develops.

Why is peak flow monitoring so important?

Peak flow monitoring allows you and your doctor to manage your condition effectively. It gives an accurate picture of your condition that allows your doctor to make appropriate decisions regarding the effectiveness of your medicine plan and treatment plan .

Other benefits of peak flow monitoring include the following:

  • Helps you decide whether your condition is serious enough to seek emergency treatment.
  • Allows you to detect early stages of airway obstruction to start immediate treatment.
  • Gives you an accurate picture of the variations in your condition over a 24- hour period. This permits your doctor to prescribe treatment when you need it the most.
  • Helps you differentiate between airway obstruction and other causes of breathlessness like hyperventilation.
  • Allows you to ascertain specific allergens, irritants, or workplace exposures that may cause your symptoms to develop.
  • Enables you to communicate more effectively with your doctor so that he or she can provide guidance over the phone if needed.
  • May be an effective detector to monitor whether your asthma symptoms have stabilized, improved, or deteriorated/worsened.

How do I start?

Most adults and young children can use a peak flow meter.

All it requires is a short, hard blow of air into the meter. Here's how to use the peak flow meter :

  • Place the indicator at the base of the numbered scale.
  • Sit upright or stand up.
  • Take a deep breath .
  • Place the meter in your mouth and close your lips around the mouthpiece. Be sure not to put your tongue in the hole.
  • Blow out as hard and fast as you can.
  • Write down the number that you get.
  • Repeat the above steps two more times.
  • Write down the highest of the three numbers in your asthma diary.

What is the "Three Zone" system?

You need to find your personal best peak flow number. This is the highest number that you can attain over a 2-week period when you feel good and do not have any asthma symptoms. These measurements should be taken when you wake up and in the evening. They should also be taken before and after taking an inhaled medication , if you use one. Keep an accurate record of these readings so that you can discuss them with your doctor.

Peak flow numbers have been put into zones that are set up like a traffic light. Using your personal best peak flow number, you can determine what zone the reading falls in and respond with the appropriate treatment.

For example:

traffic signal with red, yellow, and green lights

GREEN ZONE (80% to 100% of your personal
best number)

The green zone signals all clear. No asthma symptoms are present and you can take your medications as you have been doing.

YELLOW ZONE (50% to 8O% of your personal best number)

The yellow zone signals caution. You may be having an asthma attack that requires an increase in medication, or your doctor may need to change your treatment plan because your asthma is not under control.

RED ZONE (below 50% of your
personal best number)

The red zone signals a medical alert. You should first take your short-acting bronchodilator immediately and then contact your doctor right away.

Be sure to talk to your doctor regarding peak flow monitoring. Your particular zones should be established based on your individual condition.

How do I keep track of my peak flow readings?

It is important to keep a daily diary of your peak flow readings so that you and your doctor can better evaluate your treatment plan . This information can help you to effectively control your condition and lead a more active, healthy life.

Recent News

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OKC ranked 6th most challenging city in the U.S. for pollen allergies

The Asthma and Allergy Foundation of America (AAFA) released its annual Allergy Capitals™ report for 2022 on March 2. The report identifies the most challenging cities for spring and fall allergies in the top 100 metropolitan areas in the continental United States. Cities are ranked based on spring and fall pollen scores, over-the-counter medicine use, and availability of board-certified allergists/immunologists. Oklahoma City was ranked sixth most challenging city and Tulsa ranked 21st.

For the second year in a row, Scranton, Pennsylvania, takes the top spot based on its high spring and fall pollen scores and lower-than-average number of allergy/immunology specialists per patient. The top 20 Allergy Capitals™ for 2022 are: 1. Scranton, PA 2. Wichita, KS 3. McAllen, TX 4. Richmond, VA 5. San Antonio, TX 6. Oklahoma City, OK 7. Hartford, CT 8. Buffalo, NY 9. New Haven, CT 10. Albany, NY.

AAFA began identifying annual Allergy Capitals™ in 2003. Since that first report, seasonal allergies have worsened. Climate change has caused the growing seasons to get longer and warmer, leading to higher pollen counts in both spring and fall. The warmer temperatures also get trapped in urban areas, which impacts air pollution. Urban areas are also often designed to have wind-pollinating trees instead of fruiting (or insect-pollinating) trees.

“Climate change is a public health emergency. More than 24 million people in the U.S. have seasonal allergic rhinitis which is most often caused by pollen allergies,” says Kenneth Mendez, CEO and president of AAFA. “If we don’t slow down the warming temperatures, pollen production will only intensify. This means symptoms could worsen as climate change continues to evolve.”

Allergies can also trigger asthma episodes or attacks. Around 60-80 percent of the 25 million people in the U.S. with asthma have allergic asthma.

“We see spikes in emergency room visits that coincide with spikes in pollen seasons,” said Mendez. “Around 3,600 people per year die from asthma, so it is important to address and manage asthma and allergy triggers where you live.”

Black, Hispanic, and Indigenous populations bear the disproportionate burden of air pollution, asthma, allergies, and climate change. This is the result of long history of housing policies in the U.S. that discriminate against these groups. These policies have pushed people of color to live in undesirable neighborhoods with greater environmental and social risks. As a result of systemic racism in U.S. policies, governance, and culture, racial and ethnic minority populations are more vulnerable to the health impacts of climate change.

“AAFA’s Allergy Capitals™ report helps raise awareness of the impact of pollen and climate change on individual and community health,” says Melanie Carver, chief mission officer of AAFA. “While there are steps individuals can take to manage their allergies, we need communities to improve their city planning and take action on health disparities impacting higher risk populations.”

For people who are impacted by pollen allergies, there are options available to prevent or treat allergy symptoms.

A board-certified allergist can diagnose allergies, and determine the specific triggers that cause them, through simple tests. The allergists at Oklahoma Allergy & Asthma Clinic (OAAC) evaluate and manage patients of all ages.  The main clinic is on the Oklahoma Health Center campus.  For patient convenience, satellite offices are in Edmond, Norman, Midwest City and Yukon.

The post OKC ranked 6th most challenging city in the U.S. for pollen allergies appeared first on Oklahoma Allergy and Asthma Clinic.

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