Post-mRNA COVID-19 Vaccination Myocarditis.

A new trend of myocarditis among young adults who received mRNA vaccines for COVID-19 is emerging. We present the case of a young adult who presented with chest pain 3 days after the second dose of Pfizer-BioNTech COVID-19 vaccine. He had elevated troponin I and C-reactive protein levels at the time of admission. Electrocardiogram (ECG) and echocardiogram findings were unremarkable. The patient improved with conservative management and was discharged home the next day. LEARNING POINTS: Myocarditis is rare but is increasingly being reported in young adults post vaccination for COVID-19.Patients usually present with chest pain, elevated troponin and/or inflammatory markers.The condition carries a good prognosis and patients usually recover with supportive care. © EFIM 2021.