MRI – scan of the cardiovascular system for the assessment of myocardial structure and function and characterisation, if the service is requested by a specialist or consultant physician who has assessed the patient, and the request for the scan indicates:(a) acute onset (less than 3 months) heart failure caused by suspected myocarditis which would otherwise require endomyocardial biopsy to confirm the diagnosis of myocarditis; or(b) unexplained arrhythmia caused by suspected myocarditis which would otherwise require endomyocardial biopsy to confirm the diagnosis of myocarditis; or(c) suspected drug-induced myocarditis, where the results from the following examinations are inconclusive to form a diagnosis: i. troponin; andii. chest x-ray, andiii. transthoracic echocardiogram.(R)(Contrast) (Anaes.)