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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 9 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 9

From: Corrected calculation of the overestimated ejection fraction in valvular heart disease by phase-contrast cardiac magnetic resonance imaging for better prediction of patient morbidity

Fig. 9

On the other hand, the same patient using the phase-contrast analysis, the LV stroke volume (SVPC) was 42.3 ml and ejection fraction (EFPC) was (42.3/245.1) × 100 = 17.3% (severe dysfunction). a The magnitute image showing the detailed anatomy, contour, and the shape of the aorta. b The phase velocity map depicts the velocity and direction of flow in each pixel within the aortic valve during systole. c Q-flow analysis of the aortic flow. d By outlining the contours of the aorta throughout each phase in the cardiac cycle, a flow curve can be generated to determine aortic forward reverse stroke volume and flow

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