In Europe, the Physical Agents Directive (PAD) 2004/40/EC is supposed to become national law by April 2008 (but see Comment below on a five-year reprieve). It will restrict the EMF exposure of workers. This will cause problems in MRI. The gradient magnetic fields used in MRI (dB/dt) are such that MRI studies may no longer be possible where staff are required to be close to the magnet during scanning. This includes Continue Reading »