Established in 1975, Cardiology Consultants, Ltd provides cardiovascular care to all residents of southern Illinois. The center offers cardiac consultations, diagnostic testing, holter monitoring and stress echo testing. Based in Belleville, Ill., it also provides radio-frequency ablations, angioplasty and stent placement as well as pacemaker implantations. In addition, Cardiology Consultants, Ltd offers treadmill stress testing, echocardiograms and doppler and electrocardiography (ECG). The center also conducts electrophysiology and tilt table studies, along with Impedance Cardiography Test (ICG).