An ultrasound imaging apparatus configured with a touch screen display and computer aided measurement and/or diagnosis capability. In response to a touch input, image parameters for the computer aided measurement and/or diagnosis are determined from an analysis of the ultrasound image. A touch screen user interface allows the user to further adjust the parameters and/or other system parameters for the computer aided measurement and/or diagnosis in an interactive way. The computer aided measurement can be used directly for the computer aided diagnosis for improved accuracy and user experience.