Dr Chu Chun-Yuan is an assistant Professor for the College of Medicine at Kaohsiung Medical University, Kaohsiung, Taiwan and the attending physician for the Division of Cardiology at Kaohsiung Medical University Hospital. He holds a degree in Medicine and a Master’s degree in Medical Science from Kaohsiung Medical University. Dr Chu is a member of various national societies, including the Taiwan Society of Internal Medicine, the Taiwan Society of Cardiology, the Taiwan Society of Critical Care Medicine, the Taiwan Society of Cardiovascular Intervention, the Taiwan Association of Gerontology and Geriatrics, the Taiwan Society of Ultrasound in Medicine and the Taiwan Society of Echocardiography. Dr Chu’s expertise is in coronary total occlusion intervention, treatment of idiopathic pulmonary arterial hypertension, Balloon pulmonary angioplasty for chronic thromboembolic pulmonary hypertension, and percutaneous closure of the left atrial appendage and atrial septal defects.