The best replacement for myocarditis is pericarditis.

The best alternatives to myocarditis are rated as following:
★★★★★  pericarditis
★★★★  endocarditis
★★  cardiomyopathy
★  myocardial infarction
  carditis

Your alternative for myocarditis is not listed? Suggest!
Speaking about myocarditis, one probably shouldn't forget about st elevation.

Other search terms related to myocarditis and their ratings are:
★★★★★ st elevation
You have in mind a companion for myocarditis and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of myocarditis in all years. Click on graph for more.
myocarditis
pericarditis
endocarditis