Abstract
The recent paper by Shellock et al (1989), which describes skin and body temperatures and cutaneous blood flow in six volunteers before, during and after magnetic resonance imaging (MRI) procedures performed at high specific energy absorption rates (SARs), is critical of some aspects of the NRPB recommendations (NRPB, 1983) for limiting patient (and volunteer) exposure to radiofrequency (RF) magnetic fields during MRI. The paper, and other recent papers by these authors, are a welcome addition to our knowledge of the effects of RF absorption in the human body, which was rather more limited when NRPB formulated its recommendations.
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