A Peak Flow Meter (breathe-o meter) is a simple hand held device which helps diagnose breathing problems and asthma. Just as you have a BP instrument to check blood pressure and the Glucometer for diabetics, the Peak Flow Meter (breathe-o meter) is like a thermometer for asthma. When the Peak Flow Meter (breathe-o meter) reading is normal, it suggests that your asthma is under
control.
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