Re-Energize Fontan

The live-video-supervised exercise intervention includes exercise sessions x3/week for 3 months, and then maintenance regimen for 6 months. Maintenance includes live-video-supervised exercise sessions, only x1/week, and self-exercise x2/week following an individualized prescribed exercise program and use their heart rate monitor as an activity tracker.

Patients randomized to usual care at baseline will receive usual care for 9 months and will then start the live-video-supervised exercise intervention that includes exercise sessions x3/week for 3 months.