Abstract #0730

Myocarditis associated with mRNA COVID-19 vaccines: MRI findings

Jitka Starekova¹, David A Bluemke^1,2, William S Bradham^1,3, Thomas M Grist^1,2,4, Mark L Schiebler¹, and Scott B Reeder^1,2,3,4,5

¹Radiology, University of Wisconsin-Madison, Madison, WI, United States, ²Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, ³Medicine, University of Wisconsin-Madison, Madison, WI, United States, ⁴Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States, ⁵Emergency Medicine, University of Wisconsin-Madison, Madison, WI, United States

Synopsis

Mass immunization campaigns continue in attempts to contain the ongoing COVID-19 pandemic. COVID-19 vaccines authorized for use in the United States include BNT162b2 (Pfizer-BioNTech), mRNA-1273 (Moderna), and JNJ-78436735 (Johnson & Johnson).

To date multiple cases of vaccine-associated inflammation of the heart have been reported. In this work, we describe cardiac MRI findings in 9 patients (adults and children) with clinical and imaging-based diagnosis of myocarditis and/or pericarditis diagnosed shortly after COVID-19 mRNA vaccination at our institution.

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