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Abstract #2398

T2 mapping for the detection of myocardial edema in patients with acute myocarditis

Anirudh Mirakhur 1 , Yoko Mikami 2 , Khayam Khan 2 , Andrew Howarth 2 , and Naeem Merchant 1,2

1 Diagnostic Imaging, University of Calgary, Calgary, Alberta, Canada, 2 Stephenson Cardiovascular MR Centre, Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada

Conventional short-tau-inversion-recovery (STIR) sequence for edema imaging in acute myocarditis is semi-quantitative at best and limited by technical factors. T2-mapping may open the way for a truly quantitativeapproach in assessing myocardial edema. Patients with acute myocarditis and healthy volunteerswere studied to assess the utility of T2 mapping in edema imaging. Based on our results, we conclude that myocardial T2 mapping can detect global edema and differentiate it from normal myocardium. In fact, T2 mapping may actually be more sensitive to focal edema than conventional STIR imaging.

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