EtCO2 is the pressure or concentration of carbon dioxide measured noninvasively at the end of a patient's expiration. The EtCO2 monitor is an important value in the capnogram, which is the pressure or concentration of carbon dioxide at the end of a patient's expiration.

The AHA Guidelines for Cardiopulmonary Resuscitation (CPR) and Emergency Cardiovascular Care (ECC) 2015 Update is based on an international evidence review process involving 250 evidence reviewers from 39 countries ECC Guidelines 2015