He denies any lightheadedness, dizziness, palpitations, or chest pain.
 The patient does not have symptoms of an cardiac arrhythmia. 
(ROOT (S (NP (PRP He)) (VP (VBZ denies) (NP (NP (DT any) (NN lightheadedness)) (, ,) (NP (NN dizziness)) (, ,) (NP (NP (NNS palpitations)) (, ,) (CC or) (NP (NN chest) (NN pain))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ does) (RB not) (VP (VB have) (NP (NP (NNS symptoms)) (PP (IN of) (NP (DT an) (JJ cardiac) (NN arrhythmia)))))) (. .)))
( He ( ( denies ( ( ( ( ( any lightheadedness ) , ) dizziness ) , ) ( ( ( palpitations , ) or ) ( chest pain ) ) ) ) . ) )
( ( The patient ) ( ( ( does not ) ( have ( symptoms ( of ( an ( cardiac arrhythmia ) ) ) ) ) ) . ) )