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# Other Measures of Pulmonary Mechanics * **FEV1**: Volume of gas exhaled in the first 1 second of a forced vital capacity (FVC) maneuver. * **FEV1/FVC**: Calculated by dividing the largest FEV1 by the largest FVC. * **FEF 200-1200**: Average flow rate early in the FVC maneuver. * **FEF 25-75**: Me...

# Other Measures of Pulmonary Mechanics * **FEV1**: Volume of gas exhaled in the first 1 second of a forced vital capacity (FVC) maneuver. * **FEV1/FVC**: Calculated by dividing the largest FEV1 by the largest FVC. * **FEF 200-1200**: Average flow rate early in the FVC maneuver. * **FEF 25-75**: Measure of flow during the middle 50% of the FVC. * **PEFR**: Highest point on the flow-volume graph. *Peak flowmeter - Used by asthma patients to predict asthma attacks & track baseline.*