Coronary heart disease is unfortunately a disease that many Malaysians are all too familiar with. Most of us likely know of a family member, a friend or a colleague who is on medication for it, perhaps even had a bypass or stent put in. But just how far have we come in treating coronary heart disease? How has treatment improved quality of life for patients? We find out from senior consultant cardiologist Dr Yee Kok Meng from Pantai Hospital KL.