 Saint Thomas Heart is a collaborative effort among the Sanit Thomas Health family, providing complete cardiac services from more than 20 locations.In 2008, Saint Thomas Heart was ranked #1 in Tennessee for Coronary Interventional Procedures by HealthGrades.Its hospitals received five-star ratings for the treatment of heart failure and atrial fibrillation, coronary interventional procedures and coronary services, and it was ranked among the top 5% in the nation for coronary interventions and the top 10% in the nation for cardiology services.