Aurora Denver Cardiology Associates is one of the largest cardiology groups in Colorado s Rocky Mountain region and has been operational for more than 30 years. Its diagnostic services include electrocardiogram, treadmill testing, stress myocardial perfusion scan, pharmacologic stress testing and stress echocardiograms. It also provides Holter and event monitoring, cardio-pulmonary stress test, impedance cardiography and ankle-brachial index testing. It offers various treatment and support programs, including enhanced external counterpulsation, implantable cardiac defibrillator clinic, patient support group, pacemaker clinic and cardiac rehabilitation. Aurora Denver has more than six locations in Colorado.