Hi, I need some help finding a One Shot. In this story, Edward and Bella are divorced, they split up after their child's death. I think he was 5 years old and he had a heart disease. Bella and Edward are both cardiologists but they couldn't save him.

They met again in some kind of medical convention and Edward is mad at her. Bella has a patient with the same condition that her child had and Edward is the doctor that finally does the surgery to save him, even though Bella, at first, didn't want him to. They do end up together. It's really angsty but I really liked it and I can't seem to find it anywhere, I don't remember its title :(

Could you please help me? Do you know the author and/ or the title? :)