( ( Decrease ( in ( blood CO2 ) ) ) ( ( is ( ( ( seen ( in ( metabolic acidosis ) ) ) and ) ( compensated ( respiratory alkalosis ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Decrease)) (PP (IN in) (NP (NN blood) (NN CO2)))) (VP (VBZ is) (VP (VP (VBN seen) (PP (IN in) (NP (JJ metabolic) (NNS acidosis)))) (CC and) (VP (VBN compensated) (NP (JJ respiratory) (NNS alkalosis))))) (. .)))
Decrease in blood CO2 is seen in metabolic acidosis and compensated respiratory alkalosis.
(ROOT (S (NP (JJ Respiratory) (NNS acidosis)) (VP (VBZ is) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (ADJP (JJ problematic) (PP (IN because) (NP (NP (JJ excess) (NNS co2)) (PP (IN in) (NP (NN blood))))))))))) (. .)))