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Background

Myocarditis is a common, potentially life-threatening disease that presents a wide rang of symptoms in children, as an important underlying etiology of other myocardial diseases such as dilated and arrhythmogenic right ventricular cardiomyopathy. The incidence of nonfatal myocarditis is probably greater than that of the one actually diagnosed, which is the result of the challenges of establishing the diagnosis in standard clinical settings. Currently, no single clinical or imaging finding confirms the diagnosis of myocarditis with absolute certainty. Historically, clinical exam, electrocardiogram (ECG), serology and echocardiography had an unsatisfactory diagnostic accuracy in myocarditis. Endomyocardial biopsy remains as a widely accepted standard, but may not be suitable for every patient, especially for those with less severe disease. Our aim was to find the changes in cardiovascular magnetic …