An Evaluation of the Talk Test for Exercise Prescription for Home-Based Cardiac Rehabilitation

Inclusion Criteria: * recently underwent PCI or CABG (at least 4 weeks but less than 12 weeks post-event or procedure); * able to perform a CPET; * at least 40 years of age; * access to MyChart; and, * access to email and the internet * access to a cellphone with broadband internet (4G, LTE, 5G). Exclusion Criteria: * currently participating in a virtual or on-site CR program; * ventricular ejection fraction ≤45%; * unstable angina or established diagnosis of chronic obstructive pulmonary disease, severe mitral or aortic stenosis, or hypertrophic obstructive cardiomyopathy; * unable to return for 12-week follow-up visits.