Abstract: A method of performing shear wave elastography in tissue includes transmitting successively a series of ultrasound push pulses in the tissue in a region of interest (ROI) using a single array transducer. The acoustic intensities of the push pulses are sinusoidally modulated with a modulation frequency, Each push pulse generates an acoustic radiation force that pushes the tissue and creates an individual shear wave propagating through the tissue. The amplitudes of the shear waves, and therefore, the displacements produced by the push pulses, are positively proportionally to the intensities of the push pulses. The successively created individual shear waves with different amplitudes sum together to form a continuous, harmonic summed shear wave with a single frequency the same as the modulation frequency of the push pulses.

Abstract: A method and system (100) for augmented interpretation of shear wave elastography between first and second imaging modalities comprises performing an elastography measurement via a second imaging modality (20), different from a first imaging modality (10), to obtain at least one second imaging modality elastography value (32, 60) of a region of interest (33). At least one corresponding first imaging modality elastography value (36, 38, 62) is predicted based on the obtained second imaging modality elastography value. A graphical user interface or smart report dashboard (50) is generated that shows (i) a fibrosis level (521) of the region of interest, wherein the fibrosis level is determined as a function of (i)(a) the at least one second imaging modality elastography value (32) and/or (i)(b) the predicted at least one corresponding first imaging modality elastography value (36, 38).

Abstract: In some examples, received signals from certain multilines may be selectively filtered to remove aliased frequencies that may result in grating lobes in ultrasound images. In some examples, a transmit beam may be shaped to reduce spatial frequencies in received signals. In some examples, the width of the transmit beam may be adjusted based on a frequency of the transmit signal. In some examples, a focal depth of the transmit beam may be adjusted based on a frequency of the transmit signal.

Abstract: An ultrasound imaging system may analyze images of a cardiac cycle for quality prior to analyzing an m-mode image associated with the images. In some examples, the number of cardiac cycles acquired by the ultrasound imaging system is determined by a user. In some examples, the ultrasound imaging system may detect a septum in the ultrasound images and automatically select line through the septum for which the m-mode image is generated. The ultrasound imaging system may analyze the m-mode image to determine a myocardial propagation speed measurement. In some examples, a report may be provided to a user. In some examples, outlier speed measurements may be omitted from the report.

Abstract: A method of performing shear wave elastography in tissue includes transmitting successively a series of ultrasound push pulses in the tissue in a region of interest (ROI) using a single array transducer. The acoustic intensities of the push pulses are sinusoidally modulated with a modulation frequency, Each push pulse generates an acoustic radiation force that pushes the tissue and creates an individual shear wave propagating through the tissue. The amplitudes of the shear waves, and therefore, the displacements produced by the push pulses, are positively proportionally to the intensities of the push pulses. The successively created individual shear waves with different amplitudes sum together to form a continuous, harmonic summed shear wave with a single frequency the same as the modulation frequency of the push pulses.