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Fig. 1 | Journal of Cardiovascular Magnetic Resonance

Fig. 1

From: Left ventricular geometry predicts ventricular tachyarrhythmia in patients with left ventricular systolic dysfunction: a comprehensive cardiovascular magnetic resonance study

Fig. 1

Measurements of sphericity index and relative wall thickness. Determination of (a) left ventricular (LV) sphericity index; LV end-diastolic volume (EDV), derived by cine short axis cardiovascular magnetic resonance, is divided by volume of a sphere with diameter equal to LV 4ch end-diastolic length. b relative wall thickness (RWT); LV anteroseptal wall thickness (SWT) plus inferolateral wall thickness (ILWT) is divided by LV end-diastolic diameter (EDD) from the short-axis slice immediately basal to the papillary muscles. RWT_2 is calculated as 2 × ILWT divided by LV EDD

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