Title 21

SECTION 868.1750

868.1750 Pressure plethysmograph.

§ 868.1750 Pressure plethysmograph.

(a) Identification. A pressure plethysmograph is a device used to determine a patient's airway resistance and lung volumes by measuring pressure changes while the patient is in an airtight box.

(b) Classification. Class II (performance standards).

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