Highlights a rare presentation of giant cell myocarditis isolated to the atrium, which typically affects the ventricular myocardium.
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Alerts clinicians to isolated atrial giant cell myocarditis in unexplained atrial disease; extends phenotypic spectrum but remains hypothesis-generating.
Giant cell myocarditis (GCM) is an uncommon disorder that affects ventricular myocardium causing severe left ventricular dysfunction and ventricular arrhythmias. We report a case of GCM that only affected the atrium sparing the ventricle.
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Ahmad et al. (2006) studied this question.
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