He was getting his head laceration repaired when he started to seize.
 The patient has epidural hematoma.
(ROOT (S (NP (PRP He)) (VP (VBD was) (VP (VBG getting) (NP (NP (PRP$ his) (NN head) (NN laceration)) (VP (VBN repaired) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD started) (S (VP (TO to) (VP (VB seize))))))))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (JJ epidural) (NN hematoma))) (. .)))
( He ( ( was ( getting ( ( his ( head laceration ) ) ( repaired ( when ( he ( started ( to seize ) ) ) ) ) ) ) ) . ) )
( ( The patient ) ( ( has ( epidural hematoma ) ) . ) )