1. A handheld medical ultrasound imaging device comprising: a transducer probe housing a transducer array; and a tablet housing, the housing having a front panel, a computer in the housing, the computer including at least one processor and at least one memory, a touch screen display that displays an ultrasound image, the touch screen display positioned on the front panel, and an ultrasound beamformer processing circuit disposed in the housing that receives image data from the transducer array, the touch screen display and the ultrasound beamformer processing circuit being communicably connected to the computer, the computer being operative in response to a first gesture input from the touch screen display to alter an operation of the ultrasound beamformer processing circuit.