IRCT2015042621960N1 IRCT 2015-06-22 Qazvin University of Medical Sciences The Effect of the music on amount of analgesic and sedative medicines intake The Effect of the music on amount of analgesic and sedative medicines intake after coronary artery bypass graft in patients of Cardiac Surgery ward of shariati hospital of Tehran city in 2014 2015-01-30 anticipated 50 Complete https://irct.ir/trial/19074 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment. N/A Coronary artery disease. Intervention 1: Intervention group: listening to music in the first two days after surgery, each time for 30 minutes in the morning and afternoon. It is mentioned additional interference when listening to music is not performed on patients. Before the intervention, the pain using a numeric scale of pain and heart rate, RR that can be measured as a measure to reduce the pain. Upon completion of this measure and music above the pre comparison. It is mentioned in the above-mentioned measure only once the intervention sessions. Intervention 2: Control group: in the first two days after surgery once the heart rate and respiratory rate per minute as well as the intensity of pain was measured using a scale score for pain. And then after half an hour without intervention the patient is re-measured and these values were compared with the previous findings of the study group.