The role of cardiac magnetic resonance for arrhythmic risk stratification in a patient with myocarditis
Journal: Journal of Clinical Images and Medical Case Reports (Vol.2, No. 1)Publication Date: 2021-02-28
Authors : Giuseppe Fede; Giuseppe Abate; Giovanni Tasca; Nicoletta Guccione; Paola Belluardo; Carmelo Di Tommasi; Salvatore Solarino; Giuseppe Sulsenti; Maria Luisa Guarrella; Guglielmo Piccione; Sabina Ficili;
Page : 1-4
Keywords : Miocarditis; Ventricular arrhythmias; Sudden cardiac death; Cardiac magnetic resonance; Implantable cardioverter defibrillator.;
Abstract
Myocarditis is an inflammatory disease of cardiac muscle with a variable clinical presentation, ranging from asymptomatic cases to different degrees of left ventricular systolic dysfunction up to heart failure and dilated heart disease. Ventricular arrhythmias (VA) can occur in patients with myocarditis and implantable cardioverter defibrillator (ICD) may be indicated in patients with life-threatening VA who are not in the acute phase of myocarditis and who are receiving optimal medical therapy. Reduced left ventricular ejection fraction (LVEF) below 35%, which is used as the main criterion for stratifying the risk of sudden cardiac death (SCD), has low sensitivity and low specificity for arrhythmic risk stratification in patients with myocarditis. Myocardial scar is the main determinant for VA in these patients. Cardiac magnetic resonance imaging (CMR), using late gadolinium enhancement(LGE), has an excellent ability to determinate the extension and characterization of myocardial scar, indeed CMR can potentially improve SCD risk stratification and indication for ICD implantation in patients with myocarditis. We present a case of a 36 years-old male presenting to the Emergency Department with a monomorphic sustained ventricular tachycardia in whom MRI revealed myocardial-pericardial recurrent inflammatory involvement and worsening disease progression. ICD was implanted in consideration of the high risk of life-threatening arrhythmias.
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Last modified: 2021-05-13 19:27:35