Patients referred by a healthcare provider to a receiving CR program, for whom the receiving CR program has provided written communication* to the referring provider and/or primary care provider regarding the patient's enrolment, attendance, and clinical outcomes in the CR program *Communication would include information on 3 factors: the patient's enrolment, attendance, and clinical outcomes in the CR program.

All patients with a qualifying event/diagnosis in the previous 12 months including: MI, PCI, CABG, CSA, heart valve repair/replacement, or heart transplantation, who are referred to CR

Denominator Exclusions: Patients <18 years Patients who leave against medical advice Patients who were already participating in a CR program. Denominator Exceptions: Documentation of a patient-oriented reason that precludes CR participation after the patient has enrolled (e.g., patient moves to a new location that requires >60 min travel time to arrive at the enrolling CR program) Documentation of a medical reason that precludes CR participation after the patient has enrolled (e.g., patient deemed by a medical provider to have a medically unstable, life-threatening condition or has other cognitive or physical impairments that preclude CR participation) Documentation of a healthcare system reason that precludes CR participation after the patient has enrolled (e.g., patient is admitted to a nursing care or long-term care facility, or patient loses medical coverage for CR).

Data Sources: Medical record or other database (e.g., administrative, clinical, registry)

Measurement Period: Encounter

Thomas RJ, Balady G, Banka G, Beckie TM, Chiu J, Gokak S, et al. 2018 ACC/AHA Clinical Performance and Quality Measures for Cardiac Rehabilitation: A Report of the American College of Cardiology/American Heart Association Task Force on Performance Measures. Circulation: Cardiovascular Quality and Outcomes. 2018;11(4):e000037.

Appendix A. www.ahajournals.org/doi/10.1161/hcq.0000000000000037