Cardiac catheterization is considered a goal standard for precise diagnosis of coronary artery disease and cardiac function, and may be define as a combined hemodynamic angiographic procedure undertaken for diagnostic or therapeutic purposes. The article sought to appraise knowledge and attitude of sampled fifty cardiac patients conveniently using cross sectional design, and it was found that the majority of the patient had poor knowledge regarding the procedure and majority had also positive attitude probably due to advent of technology in health care delivery services.