3D left ventricular strain from unwrapped harmonic phase measurements.

@article{20103DLV,
  title={3D left ventricular strain from unwrapped harmonic phase measurements.},
  author={},
  journal={Journal of magnetic resonance imaging : JMRI},
  year={2010},
  volume={31 4},
  pages={
          854-62
        }
}
PURPOSE To validate a method for measuring 3D left ventricular (LV) strain from phase-unwrapped harmonic phase (HARP) images derived from tagged cardiac magnetic resonance imaging (MRI). MATERIALS AND METHODS A set of 40 human subjects were imaged with tagged MRI. In each study the HARP phase was computed and unwrapped in each short-axis and long-axis image. Inconsistencies in unwrapped phase were resolved using branch cuts manually placed with a graphical user interface. 3D strain maps were… CONTINUE READING

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