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Fig. 4 | Journal of Cardiovascular Magnetic Resonance

Fig. 4

From: Right-left ventricular shape variations in tetralogy of Fallot: associations with pulmonary regurgitation

Fig. 4

a Shape differences associated with increasing pulmonary regurgitant volume index. Green: LV; Purple: RV; Maroon: Epicardium; Yellow: Aorta; Cyan: Mitral; Light green: Pulmonary; Pink: Tricuspid. Top: anterior view; Bottom: posterior view. Left: mean shapes at 5 ml/m2; middle: mean shape at 25.5 ml/m2; right: mean shape at 40 ml/m2. PV: pulmonary valve, AV: aortic valve, MV: mitral valve and TV: tricuspid valve. For an animation of this variation see Additional file 2. To better visualize the change in function, motion was linearly interpolated between ED and ES shapes. b Endocardial surface colors show differences in shape from the mean for low (left) and high (right) PRVI. Scale bar is in mm. Red denotes displacement outward from the LV, and blue denotes displacement inward to the LV. Top: end-diastolic shape; bottom: end-systolic shape. PV pulmonary valve, AV aortic valve, MV mitral valve, TV tricuspid valve

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