PMC9834557_01
Images of a 58-year-old woman with a giant VOM. (A, B) The coronary vein angiography reveals a giant VOM. (C, D) Three-dimensional cardiac computerized tomography reconstruction shows the giant VOM. Arrows indicate the VOM. Arrowheads indicate the great cardiac vein.. LAO = left anterior oblique; RAO = right anterior oblique; VOM = vein of Marshall.
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F1
AF catheter ablation. After LAA occlusion, a cardiac vein angiography revealed a giant VOM (Figure 1A and B). It was confirmed by the occluder in the LAA and the circular mapping catheter in the left superior pulmonary vein (Figure 1A and B). It was much larger than the great cardiac vein as shown in the right anterior oblique projection (Figure 1A). A 3-dimensional cardiac computerized tomography (CT) also showed the VOM (Figure 1C and D). Additional cardiac vein angiography and three-dimensional cardiac CT figures are also provided (Supplementary Figures 1 and 2).