Dr. Mohd Ruslan bin Mustapa is a distinguished medical practitioner specializing in Internal Medicine and Cardiology, with a particular expertise in managing complex cardiac conditions like chronic total occlusions and severe calcification. His significant research contributions, including the notable work "TCTAP C-039 Pandora Box: Chronic Total Occlusion and Severe Calcified Lesion," underscore his dedication to advancing cardiovascular care. Practicing at Hospital Islam Az-Zahrah, he leverages his in-depth knowledge and commitment to continuous learning to provide comprehensive and up-to-date medical care.