Advanced Cardiology Inc.: Ohio and Pennsylvania medical practices dedicated to the diagnosis and treatment of heart disease.Alegent Health Heart and Vascular Institute: Range of cardiovascular services in Nebraska and Western Iowa. Includes chest pain centers, HeartScan and off-pump bypass.Debra Braverman, M.D.: Specializes in Enhanced External Counterpulsation treatment for angina/chest pain, fatigue, shortness of breath and other heart disease symptoms. There are three clinics in the Philadelphia region, and New Jersey.