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High frame rate (HFR) echocardiography may be of benefit for functional analysis of the heart. In current clinical equipment, HFR is obtained using multi-line acquisition (MLA) which typically requires broadening of transmit beams. As this may result in a significant degradation of spatial resolution and signal-to-noise ratio (SNR), the capacity of MLA to obtain high quality HFR images remains limited...
Cardiac imaging using plane wave (PW) transmits from a phased array transducer has recently been shown to be feasible. In order to limit the loss in Signal-to-Noise Ratio (SNR), contrast and lateral resolution of the resulting greyscale images, multiple transmits are typically compounded at the expense of the effective frame rate. However, functional imaging of the heart by measuring the local motion/deformation...
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