End tidal to arterial CO2 difference in CHD 

Ever notice that sometimes the end tidal CO2 does not correlate with the arterial CO2 in the pediatric cardiac intensive care unit? This video explains three reasons why.
These videos are for educational purposes only and should not be used for medical decision making.
References:
Short J, Paris S, Booker P, Fletcher R. Arterial to end tidal carbon dioxide tension difference in children with congenital heart disease. British J of Aneasthesia 2001; 86(3): 349-353.
Choudhury M, Kiran U, Choudhary SK, Airan B. Arterial-to-end-tidal carbon dioxide tension difference in children with congenital heart disease. J Cardiovasc Anesth 2006; 20:196-201