Dr. Tey Yee Sin is a distinguished Interventional Cardiologist at the National Heart Institute (IJN), renowned for her expertise in complex cardiac interventions including Complex PCI with atherectomy, Balloon Aortic Valvuloplasty, and TAVI. She excels in Intracoronary Imaging (OCT/IVUS), physiological assessment, and peripheral interventions. Dr. Tey actively contributes to research, with recent publications focusing on surgical aortic valve replacement and outcomes in Malaysian heart patients, demonstrating her commitment to advancing cardiovascular care.