He was given aspirin 300 PR and started on heparin IV out of concern for ACS.
 No signs or symptoms suggestive of cardiac event
(ROOT (S (NP (PRP He)) (VP (VP (VBD was) (VP (VBN given) (NP (NN aspirin)) (NP (CD 300) (NN PR)))) (CC and) (VP (VBD started) (PP (IN on) (NP (NN heparin) (CD IV))) (PP (IN out) (PP (IN of) (NP (NP (NN concern)) (PP (IN for) (NP (NN ACS)))))))) (. .)))
(ROOT (NP (NP (DT No) (NNS signs) (CC or) (NNS symptoms)) (ADJP (JJ suggestive) (PP (IN of) (NP (JJ cardiac) (NN event))))))
( He ( ( ( ( was ( ( given aspirin ) ( 300 PR ) ) ) and ) ( ( started ( on ( heparin IV ) ) ) ( out ( of ( concern ( for ACS ) ) ) ) ) ) . ) )
( ( No ( ( signs or ) symptoms ) ) ( suggestive ( of ( cardiac event ) ) ) )