High-resolution strain measurements using magnetic resonance tagging with multispectral radiofrequency pulses successfully detected a transmural gradient in the strain of a normal dog heart.
Normal dog heart
High-resolution strain measurements using magnetic resonance (MR) tagging
Measurement of transmural gradient in myocardial strain
A method is presented for performing high-resolution strain measurements by using magnetic resonance (MR) tagging. Multispectral radiofrequency pulses are used to produce tagging grids from which strain estimates are obtained with a resolution of 2 mm. A tag detection algorithm is presented that measures the center of a tag line with a precision that ranges from 0.1 to 0.2 mm over the systolic interval. With this method, a transmural gradient in the strain of a normal dog heart was detected.
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E R McVeigh
Johns Hopkins University
Elias A. Zerhouni
Cardiac Imaging
Radiology
Johns Hopkins University
Johns Hopkins Medicine
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McVeigh et al. (Sun,) conducted a other in Normal dog heart. High-resolution strain measurements using magnetic resonance (MR) tagging was evaluated on Measurement of transmural gradient in myocardial strain. High-resolution strain measurements using magnetic resonance tagging with multispectral radiofrequency pulses successfully detected a transmural gradient in the strain of a normal dog heart.
synapsesocial.com/papers/6a0887f0113ba5b476de401c — DOI: https://doi.org/10.1148/radiology.180.3.1871278
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