<prompt> Capnography is used for assessment ofOxygen saturation of bloodAmount of CO2 transpoed in bloodVentilation of lung after intubationMyocardial perfusion  <response>: Capnography is the method of determining CO2 levels in exhaled gases PACO2 but NOT blood.It is the ideal confirmatory method of endotracheal intubationVENTILATION OF LUNG AFTER INTUBATION Aeral blood gas analysis is used to measure CO2 levels in Blood PaCO2 Pulse oxymetry is used to measure oxygen saturation of blood and hea rate. 