Have a heart and help Abigail heal. Answered
Long-time Instructables member supersoftdrink and her family have been through a lot the past six years: her daughter has had four open heart surgeries and her husband suffers from anxiety & depression. A GiveForward campaign has been set up to help them get back on track and we hope that you consider donating.
If you'd like to learn more about congenital heart defects and how they are treated, visit her Instructable on how doctors treat a hypoplastic heart.