A pilot study of hot-wire, ultrasonic and wedge-bellows spirometer inter- and intra-variability

Disease Areas:
Other
Device Types:
Wedge Bellows

This study compared spirometric values obtained with different types of spirometers and the same type of spirometer (including repeated measurements) in 12 healthy subjects in a pulmonary function laboratory setting. Various devices were used, including a calibrated Vitalograph wedge bellows spirometer.

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