Static field metrics
~~> 1T = 10,000G
(0.5mT = 5G)
Who published guidelines titled "Criteria for Significant Risk" that specifies what
qualifies as significant risk of exposure to magnetic field associated with MRI.
~~> FDA
FDA guidelines state EXPOSURE to a static field that does no...
Torque will cause an item to align in the _____________ axis in a vertical field
magnet.
✓ ~~> y
Torque is dependent on:
✓ ~~> -length (longer=greater)
-shape (elongated>sperical)
-texture (soft/flexible<hard)(leads/wires<plate)
-location in magnet (greatest at isocenter)
Torque is greatest at
✓ ~~> isocenter
Translational / Displacement (missile effect)
✓ ~~> attractive force on a ferromagnetic object in a spatial gradient
magnetic field
Translational force increases when
✓ ~~> the field change over distance increases (dB/dx)
Spatial gradient magnetic fields are expressed in
Master01 | September, 2024/2025 | Latest update
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