Spirometry principles - Grace
Spirometry principles - Grace
Spirometry principles - Grace
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Other measurements<br />
• FEF 25-75: Is the averaged forced expiratory flow<br />
rate between 25-75% of the exhaled volume<br />
• FEV 0.5: Adds little diagnostic information<br />
• Peak flow rate: cannot be easily calculated<br />
• MVV: Maximal voluntary ventilation can be<br />
measured on some office spirometers but this test<br />
is primary a laboratory measurement
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