A 47-year-old woman with Rosai-Dorfman disease (RDD) presented with an electrical storm with sustained ventricular tachycardia. Echocardiography and computed tomography revealed an intracardiac mass involving the right atrium and left ventricle. Positron emission tomography demonstrated fluorodeoxyglucose avidity of the mass and myocardial infiltration; the electrical storm was attributed to this feature. Cardiac involvement in RDD is extraordinarily rare, and this appears to be the first report of an association of this disease with an electrical storm.

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http://dx.doi.org/10.1016/j.cjca.2020.03.004DOI Listing

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