Other additions to his medications included Keppra and metoprolol.
 The patient has had recent head trauma. 
(ROOT (S (NP (NP (JJ Other) (NNS additions)) (PP (TO to) (NP (PRP$ his) (NNS medications)))) (VP (VBD included) (NP (NNP Keppra) (CC and) (NN metoprolol))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (VP (VBN had) (NP (JJ recent) (NN head) (NN trauma)))) (. .)))
( ( ( Other additions ) ( to ( his medications ) ) ) ( ( included ( ( Keppra and ) metoprolol ) ) . ) )
( ( The patient ) ( ( has ( had ( recent ( head trauma ) ) ) ) . ) )