On arrival to the MICU, non-invasive ventilation was attempted but unsuccessful [**2-6**] facial structure.
 The patient successfully was given Bipap 
(ROOT (FRAG (PP (IN On) (NP (NP (NN arrival)) (PP (TO to) (NP (DT the) (NNP MICU))))) (, ,) (NP (JJ non-invasive) (NN ventilation)) (UCP (VBD was) (VP (VBN attempted)) (CC but)) (NP (JJ unsuccessful)) (-LRB- -LSB-) (FRAG (NP (SYM **) (QP (CD 2-6)) (X (SYM **)) (-RRB- -RSB-) (JJ facial) (NN structure))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (ADVP (RB successfully)) (VP (VBD was) (VP (VBN given) (NP (NNP Bipap))))))
( ( On ( arrival ( to ( the MICU ) ) ) ) ( , ( ( non-invasive ventilation ) ( ( was ( attempted but ) ) ( unsuccessful ( -LSB- ( ( ** ( 2-6 ( ** ( -RSB- ( facial structure ) ) ) ) ) . ) ) ) ) ) ) )
( ( The patient ) ( successfully ( was ( given Bipap ) ) ) )