When a patient is admitted with suspected myocarditis, a 12-lead electrocardiogram (ECG), echocardiogram (ECHO), complete blood count (CBC), comprehensive metabolic panel (CMP), brain natriuretic peptide (BNP), thyroid-stimulating hormone (TSH), troponin, inflammatory markers such as erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) in addition to extensive history, and physical exam should be obtained. This evidence concerns the gene NPPB and myocarditis.