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Abstract

Over the past three decades, magnetic resonance imaging (MRI) technology has seen tremendous improvements. Ultra high field imaging systems are now increasingly being used in clinical practice as they provide higher resolution and image contrast. However, evaluation of safety risks of MR systems for human exposure at such high fields should be the first priority to demonstrate their long term feasibility. This article reviews potential safety issues for patients, research volunteers and technicians present in the ultra-high field strength MR systems.