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Left ventricular apical aneurysm in chronic Chagas cardiomyopathy-A case report.

ABSTRACT: A 56-year-old female, who immigrated to the USA from Honduras, presented with worsening shortness of breath, orthopnea, paroxysmal nocturnal dyspnea, and decreased exercise tolerance over the previous 2 months. She was diagnosed 1 year previously with non-ischemic dilated cardiomyopathy and non-sustained monomorphic ventricular tachycardia. An implantable cardioverter defibrillator was placed. Cause for her dilated cardiomyopathy was unknown at that time. On admission, her electrocardiogram showed low voltage complexes, with frequent premature ventricular contractions. Transthoracic two-dimensional echocardiogram (2D ECHO) showed severely reduced ejection fraction of 20%, severe mitral regurgitation with left ventricular (LV) hypokinesis, and inferolateral and inferior wall akinesis. On review of her records, a contrast 2D ECHO from the previous year revealed an aneurysm of the LV apical region. Live three-dimensional (3D) ECHO on her present admission showed persistent LV apical aneurysm. Computed tomography angiogram showed no atherosclerotic lesions. Multiple episodes of non-sustained ventricular tachycardia were recorded on telemetry. Based on these findings, the diagnosis of Chagas cardiomyopathy was entertained. Serological tests for Trypanosoma cruzi antibodies were done and returned positive. We report a case of chronic Chagas cardiomyopathy that was initially missed but ultimately diagnosed based on the finding of LV apical aneurysm. .

SUBMITTER: Dookhan C

PROVIDER: S-EPMC6281735 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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