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Systems and methods for improved and efficient determination of the specific absorption rate (SAR) in MRI
Systems and methods for improved and efficient determination of the specific absorption rate (SAR) in MRI
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机译:用于改进和有效确定MRI中比吸收率(SAR)的系统和方法
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摘要
Magnetic resonance imaging (MRI) systems and methods to effect improved and more efficient determination of the specific absorption rate (SAR) are described. The SAR is calculated based upon a derived relationship between a body surface area (BSA) and a portion of the total radio frequency (RF) energy delivered to RF transmit coil that is deposited in the imaging subject, and the scanning is controlled in accordance with the calculated SAR.
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