Sudden unexpected death in a case of necrotizing eosinophilic myocarditis

•Acute myocarditis is related to a relevant number of sudden deaths.•Diagnosis is often performed post-mortem and on a forensic setting.•Eosinophilic myocarditis (EM) is a rare form of myocarditis.•Extensive myocardial sampling is mandatory for diagnosis of EM.•It’s important to consider EM, although infrequent, facing with a sudden death.