Introduction:
The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) causes Coronavirus disease 2019 (COVID-19). While this disease is considered as respiratory tract disease in first days of pandemic, now we know that it can present with a wide variety of complications which include cardiovascular system(1).
After pandemic, the searchs for the vaccines for the disease began and a significant decline in COVID-19 mortality occured after these COVID-19 vaccines(2).
Because of both, COVID-19 itself and mRNA vaccines, are new developed and their spectrum of effects are unknown, some new questions raises. There are some reports about the myocarditis related to different types of COVID-19 vaccines, but there are limited datas(3).
Here we will present an adolscent who developed symptomatic myopericarditis after the Pfizer-BioNTech mRNA COVID-19 vaccine, and the diagnosis process evaluation with Strain Echocardiography (SE) and Cardiac MRI(CMR.)