( ( Blood ( gas measurements ) ) ( ( ( show ( respiratory acidosis ) ) ( with ( elevated ( PaVCO 2 ) ) ) ) ; ) )
(ROOT (S (NP (NNP Blood) (NN gas) (NNS measurements)) (VP (VBP show) (NP (JJ respiratory) (NNS acidosis)) (PP (IN with) (NP (JJ elevated) (NNP PaVCO) (CD 2)))) (: ;)))
Blood gas measurements show respiratory acidosis with elevated PaVCO 2 ;
(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))))))))))) (. .)))