In this case, aortic valve complications from a enlarged heart.
I should have included a /sarc tag.
Myocarditis does cause heart inflammation or an "enlarged heart".
Just saying.
There are different types of enlarged hearts. With different causes. Article is not specific enough. They don’t mention which heart valves were effected or what the heart valve problem was.
He died of a publicity correct disease.
Unknown if other factors pushed him over the line. I don’t watch or buy Disney anything so it ain’t important to me, except that it is a young human being dying.