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Published online by Cambridge University Press: 17 September 2014
Spatio-temporal image correlation (STIC) is a feature of four-dimensional ultrasonography (4D US) that allows the acquisition of volume datasets akin to blocks of pathological specimens, where all the anatomical information is contained in the block and the information displayed depends on the level at which the block is cut. STIC has the additional advantages that these planes can be assessed in a virtual beating heart, and that rendering techniques can be used to gain additional insight into the structure and function of the fetal heart.