Safety screening is considered essential to any MR lab's working practice. However, it is time-consuming and reduces participant throughput. Here, we capitalise on the rare opportunity to experiment with a 3T system prior to it being decommissioned. We test the hypothesis that large ferrous-containing objects, if released into the magnet with a participant inside, do indeed inflict pain and injury. A selection of house-hold objects was used and a subjective pain rating employed to quantify the response. Our results are highly consistent with the main hypothesis, lending support to continued safety screening. However, we discuss alternative options to improve workflow
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