Is measuring your peak flow is an important part of your asthma care plan? If the measurements are going to be meaningful, you need to know how to figure out what your peak flow should be. Learn several different ways to determine what your normal peak flow should be.
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What Is My Personal Best Peak Flow?
What Should My Normal Peak Flow Be?
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Peak flow measurent involves increased breath output that in turn changes the condition of the lungs that is being measured!
Increased breathing leads to spasm of alveoli due to loss of CO2. This is almost unique example of a measuring instrument that changes the very thing being measured!