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Kei Nishiyama, Eiji Tadamura, Eitaro Kanao, Satoshi Shizuta, Yutaka Furukawa, Yoshihisa Nakagawa, Takeshi Kimura, Toru Kita, Arrhythmogenic right ventricular dysplasia/cardiomyopathy assessed with 64-slice computed tomography, European Heart Journal, Volume 27, Issue 22, November 2006, Page 2666, https://doi.org/10.1093/eurheartj/ehl026
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Extract
A 69-year-old man was admitted to hospital because of sustained ventricular tachycardia with right bundle branch block morphology. After abolition of ventricular tachycardia, an electrocardiogram showed atrial fibrillation, complete right bundle block, abnormal Q wave in III, and ST‐depression in V4–V6.
Multislice computed tomography (CT) was performed with a 64-slice scanner (Aquilion 64, Toshiba Medical Systems) after an intravenous injection of contrast medium. Axial CT images demonstrated low-density areas (−120 to −50 HU) indicative of focal fatty infiltration in the anterior wall of right ventricular outflow tract and along the right ventricular side of interventricular septum. In addition, conspicuous trabeculations with low attenuation (−10 HU) and a wedge-shaped low-density areas (−50 to −60 HU) in the left ventricular myocardium were observed. Cinematic display of basal short axis images reconstructed from the same CT data set revealed marked wall thinning and wall motion abnormalities in the inferior wall of left ventricle and interventricular septum. Of note, a localized right ventricular aneurysm was noted in the inferior wall of right ventricle (Panel A–C).