St. Paul Heart Clinic echocardiography lab is one of the first five echocardiography laboratories in the United States to be granted accreditation by the Intersocietal Commission for Accreditation of Echocardiography in 1998 Today, the St. Paul Heart Clinic is one of the largest, most advanced heart clinics in the region with 36 cardiologists who are organized into sections providing subspecialty heart care in Minnesota and expertise in noninvasive cardiology, interventional cardiology and electrophysiology