Webpage created 4/21/2026; verified for accessibility 4/22/26; last updated 4/22/2026
The simplified alveolar gas equation estimates the partial pressure of oxygen in the alveoli. This online model provides interactive control of some of the components of the simplified alveolar gas equation and calculates and displays the effects of changes created by the user, including changes in the pitch of the pulse oximeter tone. Click the speaker icon in the simulation to toggle on the pulse oximeter tone.
We recommend the Google Chrome web browser to use the simplified alveolar gas equation simulator.
