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MRI Resources 
MRCP - Process Analysis - MR Guided Interventions - PACS - Intraoperative MRI - Spectroscopy pool
 
Vessel Tracking
 
An image postprocessing method to separate vessels from surrounding tissue.
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Further Reading:
  News & More:
Usefulness of non-contrast-enhanced magnetic resonance imaging prior to venous interventions
Tuesday, 18 September 2018   by www.ncbi.nlm.nih.gov    
Ultra-high-res MRI Reveals Migraine Brain Changes
Wednesday, 23 November 2022   by www.itnonline.com    
ViewForum -
there are related threads
 
The ensemble of raw data points collected during the signal readout. For example, during Cartesian sampling, normally used to refer to data collected with a fixed value of the phase encoding gradient. Also referred to as one line of k-space. In projection reconstruction, the line is radial oriented, while in spiral imaging, it is a spiral.
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• View the NEWS results for 'View' (20).Open this link in a new window.

• View the DATABASE results for 'View' (160).Open this link in a new window

 
Further Reading:
  Basics:
Image Characteristics and Quality
   by www.sprawls.org    
MRI Resources 
Musculoskeletal and Joint MRI - Portals - Most Wanted - Case Studies - Cardiovascular Imaging - Nerve Stimulator
 
Virgo™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, etc.MRI Resource Directory:
 - Devices -
 
www.canamglobal.com/mri/virgomri.html From Millennium Technology Inc. This open C-shaped MRI system eases patient comfort and technologist maneuverability. This low cost scanner is build for a wide range of applications. The Virgo™ patient table is detachable and moves on easy rolling castors. Able to accommodate patient weights up to 160 kg, the tabletop has a range of motion of 30 cm in the lateral direction and 90cm in the longitudinal direction. Images generated with this scanner can only be viewed (without data loss) on Millennium's proprietary viewing software.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
C shaped
SYNCHRONIZATION
Standard cardiac gating, ECG/peripheral, respiratory gating
PULSE SEQUENCES
2D Spin Echo (single and multi-echo), 2D Inversion Recovery, 2D Sequential and 3D Volume Gradient Echo, 2D and 3D Spoiled Gradient Echo
IMAGING MODES
Localizer, single slice, multislice, volume, fast, POMP, multi slab, cine, slice and frequency zip, extended dynamic range, tailored RF
TR
steps of 1 msec
TE
steps of 1 msec
SINGLE/MULTI SLICE
Simultaneous scan and reconstruction;; 100 images/second reconstruction
400 mm
2D : 2 mm; 3D : 0.5 mm
MEASURING MATRIX
512x512
PIXEL INTENSITY
256 gray levels
MAGNET TYPE
Permanent
BORE DIAMETER
or Vertical Gap
44 cm
STRENGTH
15 mT/m
5-GAUSS FRINGE FIELD
3 m/3 m
Passive
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VISART™InfoSheet: - Devices -
Intro, 
Types of Magnets, 
Overview, etc.MRI Resource Directory:
 - Devices -
 
http://www.medical.toshiba.com/clinical/radiology/15texcelart.htm From Toshiba America Medical Systems Inc.;
VISART™ series is a 1.5 Tesla superconducting MRI system that has been designed to meet the expanding role of MRI in today's clinical environment. The system utilizes innovative technologies such as digital RF, high speed actively shielded gradients and optimized RF coils, which support a wide range of MRI developments. The Visart, an early type of Toshiba Medical Systems Inc., can be retrofitted or upgraded to the Excelart configuration.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Compact
Quadrature, solenoid and multi-channel configurations
SYNCHRONIZATION
ECG/peripheral optional, respiratory gating
PULSE SEQUENCES
SE, FE, IR, FastSE, FastIR, FastFLAIR, Fast STIR, FastFE, FASE, Hybrid EPI, Multi Shot EPI; Angiography: 2D(gate/non-gate)/3D TOF, SORS-STC
IMAGING MODES
Single, multislice, volume study
POWER REQUIREMENTS
380/400/415/440/480 V
COOLING SYSTEM TYPE
Closed-loop water-cooled
STRENGTH
25 mT/m
Passive, active
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• View the DATABASE results for 'VISART™' (2).Open this link in a new window

 
Further Reading:
  News & More:
Angio, cardiac imaging top list for MR and CT
1999   by www.diagnosticimaging.com    
Viscosity
 
A property of a fluid or semi-fluid that affects its mobility, and therefore its intensity in an image.
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• View the DATABASE results for 'Viscosity' (5).Open this link in a new window

 
Further Reading:
  Basics:
Viscosity
   by physics.info    
MRI Resources 
MRI Reimbursement - Education - Online Books - Libraries - Functional MRI - Abdominal Imaging
 
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