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NEMA MS 8

Characterization of the Specific Absorption Rate (SAR) for Magnetic Resonance Imaging Systems

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Organization: NEMA
Publication Date: 1 January 2016
Status: active
Page Count: 33
scope:

This NEMA Standards Publication describes two measurement procedures for whole-body SAR measurements, the calorimetric method and the pulse-energy method. Extrapolation of these data to patient temperature rise is beyond the scope of this document. This document does not apply to gradient (low-frequency time-varying magnetic fields) safety where nerve and cardiac excitation are the primary safety issues. Neither is it intended to apply to spatial peak or local average SAR nor does it address other factors involved with patient heating. The tests specified are only for volume RF transmit coils that produce relatively homogeneous RF fields.

Document History

NEMA MS 8
January 1, 2016
Characterization of the Specific Absorption Rate (SAR) for Magnetic Resonance Imaging Systems
This NEMA Standards Publication describes two measurement procedures for whole-body SAR measurements, the calorimetric method and the pulse-energy method. Extrapolation of these data to patient...
January 1, 2008
CHARACTERIZATION OF THE SPECIFIC ABSORPTION RATE FOR MAGNETIC RESONANCE IMAGING SYSTEMS
A description is not available for this item.
January 1, 1993
Characterization of the Specific Absorption Rate for Magnetic Resonance Imaging Systems
A description is not available for this item.
January 1, 1993
Characterization of the Specific Absorption Rate for Magnetic Resonance Imaging Systems
A description is not available for this item.

References

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