This section was added because many readers asked the following questions. Clicking on 'detail' sign, will go to the detailed information page. Click the "back button" to return to this page.
4. Does end-tidal PCO2 reflect arterial PCO2 during anesthesia using LMA in healthy subjects?
{slider5. The author is frequently called into operating rooms to determine the cause of abnormal capnogram as shown below?}
Air leaks in the sampling tubes can result in capnograms as shown above.
The following capnogram ("tail up" ) can also occur during air leak as a result of accidentally crushed sampling tube.
6. What are the various components of a time capnogram?
A terminology based on logic and convention was suggested several years ago to represent various components of a time capnogram which is now being adapted by several authors. This can be also found in the latest edition of Nunn's Respiratory Physiology.