The Impact of Maternal Sound on Awareness for Pediatric Patients Undergoing Cardiac Surgery

The recorded preferred songs or music (commercially available) listened by CD player connected to the patient ears before induction of anesthesia and continued during intra operative period

The recorded maternal voice (while they are singing the most popular songs their children like or telling a story to help their children to sleep) listened by CD player connected to the patient ears before induction of anesthesia and continued during intra operative period