By God willing, protocol of master thesis submitted by researcher/ Shaima Taha Badawi Ratib - Specialist at University Heart Hospital - the title of the thesis: “Assessment of  intraopertive nursing safety precautions for open heart surgery patients on  cardiopulmonary bypass machine”   will be discussed, God willing, on Sunday, 5/9/2021 it's one in the afternoon in the conference hall in the laboratories of the Faculty of Nursing, Assiut University