If you aren't using waveform capnography where appropriate, you are not evaluating ventilation and gas exchange properly.

It is a highly reliable way to evaluate CPR effectiveness and return of spontaneous circulation

• It can also be used as a prognosticator for cardiac arrest
• Capnography is probably the single most useful tool for monitoring patient status during procedural sedation
• Waveform capnography can be used as a marker of metabolic assessment