Optimization Post-TAVR to IMprove Activity Levels (OPTIMAL Study)

Inclusion Criteria: * Undergoing TAVR procedure * ≥65 years old * Ambulatory at baseline without assistance * Approval of the interventional cardiologist that the patient is an appropriate candidate * Can access telephone or teleconference Exclusion Criteria: * Impaired cognition that would limit participation in study activities * Medical comorbidities that substantially limit exercise * Major cardiac comorbidities, including ejection fraction\<35%, history of cardiac arrest, complex dysrhythmias at rest, clinically-significant incomplete revascularization, implanted cardiac defibrillator. * Physical characteristics that substantially limit exercise * High fall risk (Johns Hopkins Fall Risk Assessment Tool indicating high risk) * Non-English Speaking * Vigorous exercise at least 2 times/week for \>30 minutes * Any other physician judgement