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Artifacts. Common artifacts in three-dimensional images include (a) stitch artifact (arrow) between adjacent segments in a full volume en face mitral valve view; (b) overgain appears as brown speckles obscuring the mitral valve in this zoom en face mitral valve view; (c) Dropout from shadowing (arrow) is similar to a two-dimensional image as shown for a calcified bicuspid aortic valve in short-axis using live mode
