Cincinnati Children's Heart Center
- Provider offering cardiac care from prenatal to young adults. Features information about facilities, services, teaching programs and research.
- http://www.cincinnatichildrens.org/svc/prog/heart/default.htm

Narinder Saini, M.D.
- Cardiologist based at the Springfield Health and Fitness Center. FAQ, and educational articles.
- http://www.drsaini.com

Heart Specialists of Ohio
- Board-certified cardiologists in Columbus, Ohio serving adult patients. Also has a women's heart center with female cardiologists.
- http://www.heartspecialistsofohio.com

Toledo Cardiology, Inc.
- Information on this Ohio based practice.
- http://www.toledocardiology.com/

Dayton Heart Hospital
- Diagnosis and treatment of cardiovascular disease, heart disease treatment, coronary bypass surgery, catheterization, angioplasty, vascular, aneurysm, cardiac, coronary, peripheral vascular disease. Includes contact details. Ohio.
- http://www.daytonhearthospital.com

The Dayton Heart Center
- Provides cardiology care for its patients, with a focus on clinical patient service in Ohio.
- http://www.daytonheart.com/

Cleveland Clinic Heart Center
- Information about its services for patients and physicians, news, staff directory, research and appointments.
- http://www.clevelandclinic.org/heartcenter/