end-tidal co2 ( petco2 ) , arterial co2 ( paco2 ) , mixed expired co2 ( peco2 ) , arterial and mixed venous oxygen contents were measured and the paco2 to petco2 difference ( delta pco2 ) , physiologic dead space to tidal volume ratios ( vd/vt ) and venous admixture ( qs/qt ) were calculated in 41 anesthetized infants and children undergoing repair of congenital cardiac lesions .
C0021270
infants
C0008059
children