<qa>  What is the name of the MRI contraindications?6. MRI contraindications including: cardiac pacemaker, metal fragments in eyesskinbody shrapnel, aorticaneurysm clips, prosthesis, by-pass surgerycoronary artery clips, hearing aid, heart valve replacement, shunt ventricular or spinal, electrodes, metal platespinsscrewswires, or neurobio-stimulators TENS unit, persons who have ever been a metal workerwelder, history of eye surgeryeyes washed out because of metal, vision problems uncorrectable with lenses, inability to lie still on ones back for 60 minutes; prior neurosurgery; tattoos with metal dyes, unwillingness to remove body piercings, and pregnancy. 