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Fig. 5 | Journal of Cardiovascular Magnetic Resonance

Fig. 5

From: Radial-based acquisition strategies for pre-procedural non-contrast cardiovascular magnetic resonance angiography of the pulmonary veins

Fig. 5

Example of a subject undergoing evaluation prior to radiofrequency catheter ablation with CTA and non-contrast CMRA. Axial maximum intensity projections are shown, reconstructed from the coronal acquisitions. Note the off-resonance artifact seen at the level of the right inferior pulmonary vein ostium on both BH-2D and BH-SOS, which degrades the image quality and sharpness of the vessel contour. There is also some residual misregistration artifact with BH-2D (wide red arrow). However, the ostial diameter can still be adequately measured. NS-SOS shows sharp margins of the right inferior pulmonary vein ostium with negligible off-resonance artifact

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