Oklahoma Heart Institute (OHI) is a comprehensive cardiovascular care center based in Tulsa, Oklahoma, and part of Hillcrest HealthCare System. For more than 30 years, it has brought together cardiovascular physicians, advanced technology, and a focus on compassionate patient care. Its services span prevention, diagnosis, treatment, surgery, and rehabilitation, supporting patients with a wide range of heart and vascular conditions.

Care includes general and interventional cardiology, cardiac catheterization, electrophysiology and treatment for heart rhythm disorders such as atrial fibrillation, heart failure care, and heart valve and structural heart treatments. The institute also offers cardiothoracic and vascular surgery, cardiovascular critical care, vein care, and services for conditions including pulmonary hypertension. For early detection and prevention, patients can access heart screenings and imaging, including calcium scoring, cardiac MRI, and nuclear cardiology. Cardiac rehabilitation is also part of its care continuum.

OHI provides provider searches, appointment scheduling, patient resources, and access to MyChart. Its program also participates in cardiovascular research and clinical trials, helping advance treatment options for heart disease.