Mayo Clinic’s Department of Cardiovascular Medicine includes more than 240 heart experts who care for more than 100,000 adults and children each year. Specialists evaluate conditions that affect the heart’s structure, rhythm, blood vessels and function, including congenital and inherited heart diseases and other serious, rare or complex cardiovascular conditions. When care involves more than one area, cardiologists, cardiovascular surgeons, imaging specialists, electrophysiologists and other experts work together.