Heart disease has emerged as the leading cause of organ disease mortality in Hong Kong. Shockingly, approximately 6,000 individuals succumb to heart disease each year, with the alarming trend of younger patients being affected. Furthermore, high blood pressure and diabetes are also considered as forms of heart disease. This book meticulously categorizes heart diseases, delves into the causes and treatments of various types through real cases, and features Q&A sessions in each chapter, where expert doctors address questions pertaining to heart disease treatment.