Note to myself: This post was not completed and so is superseded by Links To And Excerpts From The 2021 AHA Diagnosis And Management of Myocarditis In Children-A Redo. Posted on October 24, 2021 by Tom Wade MD
The best resource on recognizing possible myocarditis at the earliest opportunity is, I think, Dr. Sean Fox‘s post, Myocarditis, FEBRUARY 28, 2014 from Pediatric EM Morsels.
In this post I link to and excerpt from Diagnosis and Management of Myocarditis in
Children: A Scientific Statement From the American Heart Association [Full-Text PDF]. Originally published, 7 Jul 2021.
All that follows is from the above AHA statement.