Spirometers, Krogh and Tissot, 1932, System for measuring CO2 Response.


From Nederlands Tijdschrift voor Geneeskunde, May 21, 1932, page 2465. “Oorspronkelijke Stukken. Bewusteloosheir, schijndood en hun behandeling met de inademing van Koolzuur-Zurrstofmengsels” by Dr. G C E Burger and Dr. M H Tromp.

Diagram of a breathing system containing two Krogh spirometers (one with soda lime CO2 absorbant, one without) and a Tissot spirometer.  Designed to measure tidal and minute ventilation while breathing different levels of CO2 up to 10 percent.


Leave a Reply

Your email address will not be published. Required fields are marked *