Changes

** Rebreathing bag volume should be 1.5x the tidal volume.

** Rebreathing bag volume should be 1.5x the tidal volume.

** Calibrate the best guess of CvCO2 by using the EtCO2 and adding 4-6 mmHg

** Calibrate the best guess of CvCO2 by using the EtCO2 and adding 4-6 mmHg

* [https://www.clinicalkey.com/#!/content/playContent/1-s2.0-S0749070409001274?returnurl=https:%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0749070409001274%3Fshowall%3Dtrue&referrer=https:%2F%2Fpubmed.ncbi.nlm.nih.gov%2F A paper] from 2010 showing a Fick rebreathing technique continuous CO monitor applied to both ICU and OR environments.

* [https://www.clinicalkey.com/#!/content/playContent/1-s2.0-S0749070409001274?returnurl=https:%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0749070409001274%3Fshowall%3Dtrue&referrer=https:%2F%2Fpubmed.ncbi.nlm.nih.gov%2F A paper] from 2010 showing continuous CO monitor applied to both ICU and OR environments using a Fick rebreathing technique.