The patient was then given Nitroglycerin drip, as well as started on heparin drip.
 Patient has started vasodilators
(ROOT (S (NP (DT The) (NN patient)) (VP (VBD was) (ADVP (RB then)) (VP (PP (VBN given) (NP (NNP Nitroglycerin) (NN drip))) (PRN (, ,) (CONJP (RB as) (RB well) (IN as)) (VP (VBN started) (PP (IN on) (NP (NN heparin) (NN drip))))))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (VP (VBN started) (NP (NNS vasodilators))))))
( ( The patient ) ( ( ( was then ) ( ( given ( Nitroglycerin drip ) ) ( , ( ( as ( well as ) ) ( started ( on ( heparin drip ) ) ) ) ) ) ) . ) )
( Patient ( has ( started vasodilators ) ) )