Located in the Kitanoyama area of Chuo-ku, Sapporo, Kita 5-jo Street Internal Medicine & Cardiology Clinic specializes in general internal medicine and cardiovascular diseases. Dr. Masanao Yatani, the director, graduated from Hokkaido University School of Medicine, studied at Brigham and Women's Hospital at Harvard University, and served as an assistant professor and lecturer in the Department of Cardiovascular Medicine at Hokkaido University Hospital. He is a board-certified cardiologist and internist with extensive research experience including 55 English original papers. The clinic is equipped with various diagnostic instruments including echocardiography for heart, carotid artery, and abdominal regions, electrocardiogram, Holter ECG, blood pressure pulse wave measurement, sleep apnea testing, and pulmonary function tests. Additionally, cardiac rehabilitation facilities and cardiopulmonary exercise testing (CPX) equipment are available, enabling comprehensive care from treatment of angina and heart failure to postoperative recovery support. For patients requiring advanced medical care, referrals are provided to partner hospitals including Hokkaido University Hospital and Sapporo City Hospital. The clinic offers medical consultations in English, accepts credit cards and electronic payments, and provides parking and barrier-free facilities.