PAST MEDICAL HISTORY:  Acute renal failure during last medical admission which is now resolved.
 the patient was dehydrated
(ROOT (NP (NP (JJ PAST) (JJ MEDICAL) (NN HISTORY)) (: :) (NP (NP (JJ Acute) (JJ renal) (NN failure)) (PP (IN during) (NP (NP (JJ last) (JJ medical) (NN admission)) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADVP (RB now)) (VP (VBN resolved)))))))) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBD was) (VP (VBN dehydrated)))))
( ( ( ( PAST ( MEDICAL HISTORY ) ) : ) ( ( Acute ( renal failure ) ) ( during ( ( last ( medical admission ) ) ( which ( ( is now ) resolved ) ) ) ) ) ) . )
( ( the patient ) ( was dehydrated ) )