pneumotachographmedical dictionary

An instrument for measuring the instantaneous flow of respiratory gases.

Synonyms: pneumotachometer.

Fleisch pneumotachograph, a pneumotachograph that measures flow in terms of the proportional pressure drop across a resistance consisting of numerous capillary tubes in parallel.

Silverman-Lilly pneumotachograph, a pneumotachograph that measures flow in terms of the proportional pressure drop across a resistance consisting of a very fine mesh screen.

(05 Mar 2000)