The patient was on aspirin for chronic atrial fibrillation and spent a short course at rehabilitation before eventually being discharge to home.
 History of stroke
(ROOT (S (NP (DT The) (NN patient)) (VP (VP (VBD was) (PP (IN on) (NP (NN aspirin))) (PP (IN for) (NP (JJ chronic) (JJ atrial) (NN fibrillation)))) (CC and) (VP (VBD spent) (NP (DT a) (JJ short) (NN course)) (PP (IN at) (NP (NN rehabilitation))) (PP (IN before) (S (ADVP (RB eventually)) (VP (VBG being) (NP (NN discharge)) (PP (TO to) (NP (NN home)))))))) (. .)))
(ROOT (NP (NP (NN History)) (PP (IN of) (NP (NN stroke)))))
( ( The patient ) ( ( ( ( ( was ( on aspirin ) ) ( for ( chronic ( atrial fibrillation ) ) ) ) and ) ( ( ( spent ( a ( short course ) ) ) ( at rehabilitation ) ) ( before ( eventually ( ( being discharge ) ( to home ) ) ) ) ) ) . ) )
( History ( of stroke ) )