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Abstract #0600

The total ellipse of the heart: Cardiac CINE imaging using frequency-modulated bSSFP and the elliptical signal model

Anne Slawig1 and Herbert Köstler1
1Departement of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany

Balanced steady state free precession sequences are well suited for cardiac imaging as they are fast, yield high signal and provide excellent contrast between blood and myocardium. To avoid the typical banding artifacts in such sequences, conventionally, multiple phase-cycled acquisitions are performed and combined to one image. Using a frequency-modulated bSSFP sequence the acquisition of many off-resonances can be performed in one single scan and a model-based reconstruction using the elliptical signal model performs well to reconstruct such measurements. Therefore, it allows the reconstruction of multiple off-resonance states for multiple heart phases from a single frequency-modulated bSSFP measurement.

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