Diagnostic_Services

A peak flow meter is a device that measures how well air moves out of the lungs. A peak flow meter is used to manage exacerbations. A peak flow meter is used for daily long-term monitoring. A peak flow meter guides therapeutic decisions in the home, school, clinician’s office, or ED. 

Use of Peak flow meter-

Peak flow meter is used to monitor your asthma control, as BP instrument is used to monitor hypertension and Glucometer is used to monitor diabetes control.

The peak flows are put into zones that are set up like a traffic light. Each zone determines what medications to use and what to do when the peak flow number changes. 

Green zone 

Doing well   no cough, wheeze, chest tightness or shortness of breath during the day or night.

Can do usual activityPeak_Flow_Meter

Yellow zone

Asthma is getting worse

Cough, wheeze, chest tightness or shortness of breath during the day or night.

Waking at night due to asthma

Can do some, but not all, usual activities

Red zone 

Medical alert

Shortness of breath

Medicines not working

Cannot do usual activity

It is an emergency. Call your Doctor.

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