Three healthy adolescents presented with myocarditis confirmed on cardiac magnetic resonance imaging after receiving Pfizer-BioNTech COVID-19 vaccine. All patients were hemodynamically stable and had good short-term outcomes. Long-term outcomes are yet to be determined. Larger studies are needed to determine whether an association between Pfizer-BioNTech COVID-19 vaccine and myocarditis exists.
Keywords: COVID-19; Cardiac magnetic resonance imaging; Pfizer-BioNTech; mRNA COVID-19 vaccination; myocarditis; pediatric.
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