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T1 Relaxation
 
The return to equilibrium (high energy protons returns to the low energy state) within the lattice is named the T1, spin lattice or longitudinal relaxation. During the time T1, the spinning protons realign with the external magnetic field with an exchange of their energy, resulting in heat. The value of the T1 time depends of the tissues ability for energy exchange.

See also Longitudinal Relaxation Time.
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• Related Searches:
    • Relaxivity
    • Contrast Medium
    • Paramagnetic Contrast Agents
    • Driven Equilibrium
    • Contrast Enhanced MRI
 
Further Reading:
  Basics:
Musculoskeletal MRI at 3.0 T: Relaxation Times and Image Contrast
Sunday, 1 August 2004   by www.ajronline.org    
  News & More:
MRI's inside story
Thursday, 4 December 2003   by www.economist.com    
Searchterm 'Real' was also found in the following services: 
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Radiology  (9) Open this link in a new windowUltrasound  (52) Open this link in a new window
iMotion™ 1.5 Tesla MagnetInfoSheet: - Devices - Intro, Types of Magnets, Overview, etc.MRI Resource Directory: - Devices -
 
www.imris.com/ The mobile intraoperative iMotion system produces real-time images used for MR guided surgery and offers functional magnetic resonance imaging, MR spectroscopy, perfusion imaging, and diffusion weighted imaging capabilities.
The iMotion 1.5 T magnet moves to the patient, gliding in and out of place as needed, without affecting surgical, anesthetic, and nursing management.

See also Intraoperative Magnetic Resonance Imaging, MR Guided Interventions.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Mobile compact
SURFACE COILS
Whole body, intra-operative head, neck volume, atlas head//neck vascular quadrature phased array, spine quadrature, C/T/L spine phased array, small joint, large joint, TMJ bilateral, shoulder phased array, extremity quadrature volume, wrist, hand quadrature, general purpose flexible, pelvis/abdomen phased array, body quadrature, phased array flexible, breast bilateral
SPECTROSCOPY
SVS, CSI
SYNCHRONIZATION
Standard cardiac gating, ECG/peripheral, respiratory gating
PULSE SEQUENCES
SE, IR, TSE, EPI, Diffusion, Perfusion, Angiography
IMAGING MODES
Localizer, single slice, multislice, volume
MAGNET TYPE
Superconducting
FIELD STRENGTH
1.5 T
SHIMMING
Active
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MRI Resources 
Breast MRI - Fluorescence - Pacemaker - Shielding - Artifacts - Absorption and Emission
 
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