To provide an ultrasonographic instrument capable of respectively storing/recalling the localization of sampling position markings, M markings and color ROI displays to display them, and capable of simultaneously displaying two ROI images.
A sampling position and image quality conditions of an image to be a comparison origin are retained according to procedure 1. The sampling position and image quality conditions of an image to be a comparison target are also retained. To compare the both images, the sampling positions and the image quality conditions of the both images are recalled to display them again. The two images can be simultaneously displayed, and different ROIs can be displayed. In the same way, the M marking and the color ROI are displayed.
HIGUCHI JIRO
KURITA KOICHIRO
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