GE Healthcare · MRSigna
MRIQ Low Signal in Diffusion beginning and end of series Images Due to No Short Term Eddy Currents.
Symptom
MRIQ Low Signal in Diffusion beginning and end of series Images See attached image. Loss of signal in beginning and end images of series in Diffusion scan sequence. Several images have little or no signal. see attachment. If you display images in 3D or IVI mode , you can clearly see the bands in the S and I direction.
Error message
Short term constant values are zero FAIL No short linear eddy current compensation is applied Short On-axis Linear Compensation Check -------------------------------------------------- /usr/g/caldir/grad_ecc_coeff.dat : Short term constant values are zero......FAIL No short linear eddy current compensation is applied Author Dave Snastin SME Paul Lyman
Applies to
- Models
- Signa
- Product
- Signa LX Signa LX Product can be used with 8.x and 9.x systems.
- Software
- 9.1 For Signa LX product only
- Area
- MR
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