Background: Cardiac catheterization is a special study of the heart and the blood vessels that
supply blood to the heart muscle. Aim of the study: the aim of this study was to assess nurses'
performance for patients undergoing cardiac catheterization. Design: A descriptive exploratory design
was utilized. Setting: The study was carried out in critical care unit at Beni Suef University Hospital.
Study subjects: convenience sample of all available nurses (n=50) were included in the study. Data
collection tools: Data were obtained through demographic data tool, nurses' knowledge questionnaire,
Nurses performance check list, and factors affecting nurses' performance questionnaire. Results: more
than half of the study nurses had unsatisfactory knowledge more than three quarters of them had
unsatisfactory level of practice regarding cardiac catheterization. moreover, many factors affecting positively
on their performance; as job satisfaction, Regulation inside the work and professional support related
factors respectively, while communication related factors affecting positively on their performance.
Conclusion: only about more half of studied nurse's had unsatisfactory level of knowledge and three
quarters of the studied nurse's had unsatisfactory level of practicesregarding nurses' performance for patient
undergoing cardiac catheterization and many factors affecting negatively on their performance and other
factor affecting positive on their performance. Recommendations: Designing in-service training and
educational program to improve nurses' knowledge and practice assess nurses' performance regarding
patients undergoing cardiac catheterization.