Cardiology is a field of internal medicine that deals with diseases of the blood circulation system including the heart. Its areasinclude angina, myocardial infarction, arteriosclerosis, hypertension, arrhythmia, congenital heart disease, cardiac insufficiency, heart valve disease, and peripheral artery disease. With essential equipment for diagnosis and treatment, such as angiocardiography and cardiac ultrasound equipment, specialists with rich clinical experience provide treatment for out-patient and in-patient care at the hospital. Medical facilities operated by the Cardiology Department include cardiovascular intensive care units, cardiac intensive care units, an intracardiac catheter room, an exercise tolerance test room, a Holter monitor test room, electrocardiogram(EGC) rooms, and an echocardiography laboratory.