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Fig. 7 | Cardiovascular Ultrasound

Fig. 7

From: Quantification of the relative contribution of the different right ventricular wall motion components to right ventricular ejection fraction: the ReVISION method

Fig. 7

Representative heart transplant recipient. Panel a: TAPSE (12 mm) is reduced indicating moderate RV systolic dysfunction. Panel b: FAC (49%) is preserved indicating normal RV systolic function. Panel c: RV end-diastolic (90 ml) and end-systolic (44 ml) volumes as well as RV ejection fraction (51%) obtained from 3D echocardiography data sets show normal RV systolic function. Panel D: RV longitudinal displacement is markedly reduced. Panel e and f: By removing the longitudinal and anteroposterior components of RV volume change allows the appreciation of the increased extent of radial displacement of RV wall. Panel g: Quantitative analysis of the relative contribution of longitudinal and radial RV wall displacement to global RV volume change confirms the significant reduction of longitudinal displacement and an increase of radial displacement as the main mechanism to preserve RV stroke volume and ejection fraction (patient 144 days after the transplantation)

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