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Life Threatening? No
Write-up: Acute myocarditis; Chest pain; A spontaneous report was received from a physician concerning (patient age: unknown) male patient who received Moderna''s COVID-19 vaccine (mRNA-1273) and experienced chest pain, acute myocarditis (myocarditis). The patient''s medical history included COVID-19 in Mar 2020 and was exposed and may have had it a second time in Nov 2020. Concomitant medications were not provided. On 12 Mar 2021, prior to the onset of the event, the patient received their first of two planned doses of mRNA-1273 (Lot number: 038A21A) intramuscularly for prophylaxis of COVID-19 infection. On 15 Mar 2021, the patient developed chest pain and was admitted to the hospital. The patient underwent cardiac catheterization, echocardiogram and cardiac MRI (magnetic resonance imaging). Results of the echocardiogram and cardiac MRI were not provided. The final diagnosis of the patient was acute myocarditis. COVID antibodies were positive, about 561 for the patient. The events chest pain and acute myocarditis lead to hospitalization. Treatment activities for the events were unknown. Action taken with mRNA-1273 in response to the events was unknown. The outcome of events, experienced chest pain and acute myocarditis, was unknown.; Reporter''s Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.
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