Showing results for myocarditis. Search instead for myofascitis.

myocarditis

American

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

noun

Pathology.

inflammation of the myocardium.

myocarditis British

/ ˌmaɪəʊkɑːˈdaɪtɪs /

noun

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.

Similar immune cell infiltration is seen in people who develop myocarditis after vaccination.

From Science Daily • Dec. 27, 2025

Bakken returned to competition in 2024, having been kept out since 2022 with the heart condition myocarditis.

From BBC • Dec. 23, 2025

In June, the FDA added the risks of myocarditis and pericarditis to Comirnaty and SpikeVax, Moderna’s shot.

From MarketWatch • Dec. 1, 2025

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 • Sep. 5, 2025

It is my medical opinion that in Hawaii you had an episode of myocarditis triggered by a viral infection.

From "Everything, Everything" by Nicola Yoon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023