The research aims to identify risk factors and know neurological complications until after heart surgery, where samples were collected. The characteristics of patients in Nasiriyah Heart Center were identified and consisted of two groups, the first group is patients, which consisted of 60 patients, and the second group is 40. The evaluation was carried out, and the percentages that included symptoms were identified. Postoperative risk factors for atherosclerosis, stroke, and other potential risk factors were evaluated, Stroke (IS) and transient ischemic attack (TIA) of a circulatory nature. We performed a retrospective review, case-control, and postoperative monitoring in the intensive care unit of patients who underwent cardiac surgery.