The patient undergoing coronary artery bypass graft surgery deserves to have confidence that the professional nurse is knowledgeable, caring, efficient, and effective in providing necessary preoperative care. Proper preparation of the patient and significant others, expertise during the intraoperative phase, and a thorough knowledge base combined with skill and compassion of the nursing staff during the postoperative phase increase the likelihood of a positive outcome for the patient . The aim of the current study was to assess nurse's knowledge and practices regarding care of mechanical...