MRI breast scan prep requires a double check with the facility performing your study, but this list may apply to most sites. 1) You will be asked if you have any metal in your body prior to the mri scan. Inform the staff if you have a pacemaker, brain aneurysm clip, cardiac defibrillator, tens unit, neurostimulator, metal chips or fragments in your eye, or any other metal implants.  Inform your doctor if you are pregnant before the...