1. A method for evaluating a property of a moving tissue region characterized by the steps of: scanning a series of transmural cuts crossing said tissue region and constructing corresponding space-time images of said transmural cuts; analyzing each of said space-time images to form information of said tissue moving along said transmural cuts; extracting property from said information corresponding to said moving tissue; averaging the results of said extracting to reconstruct said property for said moving tissue region; and visually depicting said reconstruction of said property for said moving tissue region.