Data is only useful if it truly represents the patient’s best efforts.
If you are a healthy person, then performing 3 Flow Volume Loops at your maximal effort may be easy. But those who suffer from asthma, COPD and other breathing disorders, this is very difficult. Patients often quit in the middle of these tests, and the results become suspect.
IOS helps change that. The IOS allows doctors to still perform traditional spirometry, but adds impulse technology to the instrument- quiet breathing, no forced maneuvers, with normals for most patient populations.
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