Lake Louise consensus criteria


MRI Criteria for acute myocarditis:



T2-weighted: any of the following


standard T2 sequences: regional high signal



standard T2 sequences: global signal intensity ratio (myocardium/skeletal muscle) ≥2



T2 mapping: increased T2 relaxation times



T1-weighted: any of the following


late enhancement imaging: non-ischemic, late enhancement


native T1 mapping: increased T1 relaxation times or extracellular volume



Supportive criteria:



signs of pericarditis: effusion or pericardial late enhancement


regional or global wall motion abnormalities



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