Dictionary.com
Thesaurus.com

myocarditis

American  
[mahy-oh-kahr-dahy-tis] / ˌmaɪ oʊ kɑrˈdaɪ tɪs /

noun

Pathology.
  1. inflammation of the myocardium.


myocarditis British  
/ ˌmaɪəʊkɑːˈdaɪtɪs /

noun

  1. inflammation of the heart muscle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of myocarditis

First recorded in 1865–70; myo- + carditis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One uncommon but documented side effect of mRNA COVID-19 vaccines is myocarditis, which refers to inflammation of the heart muscle.

From Science Daily

Research published in medical journals indicates that myocarditis after a COVID-19 mRNA vaccine is rare, although it is more likely to occur in boys within the first week of receiving the second dose.

From MarketWatch

Early reports flagged a type of heart swelling called myocarditis as a rare side effect of the mRNA vaccine, particularly for young men ages 18 to 25 after a booster dose.

From Salon

A paper listed as support for the myocarditis threat, for example, states, “no causality can be assumed or established” linking the condition to the vaccine because of the lack of a control group for comparison.

From Los Angeles Times

Against that there were a small number of cases of inflammation of heart tissue – called myocarditis – particularly in young men.

From BBC