In this 2nd episode on capnography Michael discusses the relationship between cellular metabolism, cardiac output and perfusion, and with ventilation in the production, movement ,and exhalation of CO2.

He next discusses in more detail the four phases of the chronograph wave and what they mean. Moving on Michael looks at what are common causes fro both increasing and decreasing ETCO2 over time.

Lastly Michael explains the uses of capnography in ACLS and the arrested patient.