Mayo Clinic
This research study is being done to provide comparative data to the Mayo Clinic Adult Congenital Heart Disease Registry.
Inclusion Criteria: * Capacity to Consent * BMI \</= 30 * Systolic BP \</= 140mmHg * Diastolic BP \</= 90 * eGFR \> 30 (within prior 3 months) to confirm kidney function * Able to undergo an MRI Exclusion Criteria: * History of Cardiovascular disease that may affect the results of the testing performed. * Any Current orthopedic limitations * Currently taking any cardiac medication * Pregnancy