Coronary magnetic resonance angiography using motion matched acquisition
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United States of America Patent
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Mar 6, 2001
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N/A
app pub date -
Feb 8, 1999
filing date -
Mar 27, 1998
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Abstract
Coronary arteries are imaged using a cardiac gated, 3DFT fast gradient recalled echo MRA pulse sequence. A scout scan is performed to measure motion during a cardiac or respiratory cycle and a quiescent period of minimal artery motion is identified. Image data is acquired during a succession of cardiac cycles, and the view order is selected to sample the center of k-space during the quiescent period of each cardiac and or respiratory cycle to reduce motion artifacts.
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