الفهرس 
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Abstract
Coronary artery diseases (CAD) are the most common type of heart disease. Cardiac catheterization is the gold standard diagnostic test for CAD. The aim: the present study was conducted to identify the effect of changing position and early ambulation after cardiac catheterization on patients’ outcomes. Methodology: Setting: at the Cardiac Catheterization Unit in Suez Canal University Hospital, A quasiexperimental design was used to conduct this study. Subject: a purposive sample of 100 patients undergoing diagnostic cardiac catheterization (50 study group, and 50
control group), who were randomly assigned. Tools: 1) An interview questionnaire sheet to assess patients’ knowledge regarding cardiac catheterization. 2) Hematoma
formation and bleeding scale. 3) A visual analog scale to assess back pain intensity. 4)General well-being schedule. 5) The patients’ satisfaction tool. Result: the majority of patients had unsatisfactory level of knowledge about cardiac catheterization. Moreover, there was statistically significant difference between both the study and control group patients in back pain intensity, satisfaction level and general well-being level. While there was no statistically significant difference between both groups regarding the incidence of bleeding or hematoma after a diagnostic cardiac catheterization. Conclusion: majority of patients need health education about cardiac catheterization self-care and its complications as it will impact on their physiological, spiritual, environmental safety and complications prevention. Moreover, early ambulation and changing patients’ position after diagnostic cardiac catheterization has a major positive effect on patients’ outcomes. Recommendation: educational guidelines and training should be available for patients undergoing cardiac catheterization to improve their knowledge. In addition, changing position and early ambulation after cardiac catheterization is safe and is suggested to improve patients’ outcomes. Key Words: “Cardiac catheterization”, “Position”, “Early ambulation”, and “Patients’ outcomes”.