PHASE-VELOCITY MAPPING WITH A REAL-TIME LINE SCAN TECHNIQUE

被引:15
作者
BUTTS, K [1 ]
HANGIANDREOU, NJ [1 ]
RIEDERER, SJ [1 ]
机构
[1] MAYO CLIN & MAYO FDN,MAGNET RESONANCE LAB,200 1ST ST SW,ROCHESTER,MN 55905
关键词
LINE SCAN; PHASE DIFFERENCE; REAL-TIME FLOW MEASUREMENT;
D O I
10.1002/mrm.1910290125
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
A real-time, 20-Hz, one-dimensional MR velocity imaging technique is described. A two-dimensional RF pulse excites a 3-cm diameter column. Velocity maps are formed from the phase difference between successive flow encoded and compensated acquisitions. A three-point subtraction variation provides reduced sensitivity to static spins.
引用
收藏
页码:134 / 138
页数:5
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