Physiology of capnography 

Bhavani Shankar Kodali MD

   

Basic Physiology of a Capnogram
   
Trend Capnogram
   
Components of a Time Capnogram
   
Volume Capnogram 'verses' Time capnogram
   
Capnogram and Tidal volume
   
PETCO2 and Cardiac output
   
Phase IV
(a-ET)CO2 difference and Alveolar dead space
Negative  (a-ET)PCO2 differences