20 April 2000 Imaging longitudinal cardiac strain on short-axis images using 3D HARP
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This paper presents a new method for measuring longitudinal strain of the heart using harmonic phase magnetic resonance imaging (HARP-MRI). The heart is tagged using 1-1 SPAMM at end-diastole with tagging surfaces parallel to the imaging plane. Two image sequences are acquired for a short-axis slice with two different encodings in the direction orthogonal to the imaging plane. A method to compute a sequence of longitudinal strain estimates from this data is described.
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Nael F. Osman, Smita Sampath, Jerry L. Prince, "Imaging longitudinal cardiac strain on short-axis images using 3D HARP", Proc. SPIE 3978, Medical Imaging 2000: Physiology and Function from Multidimensional Images, (20 April 2000); doi: 10.1117/12.383400; https://doi.org/10.1117/12.383400

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