Murine Cardiac Imaging Methods at 4.7T

We describe a gradient echo based imaging technique for fast murine cardiac gated cine imaging. Using relatively low strength gradients at 4.7T we have obtained a multi-slice, multi-frame cine with full ventricular coverage in just over 5 mins. These images were analysed to assess ventricular function and the results compared with images using a slower technique which acquired a single line of k-space per Rwave. There was no significant difference between the calculated left ventricular volumes and the Fast technique led to a reduction in flow artefacts.

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