what requires mri
The radiology staff will let then let you know whether you can have the MRI exam and whether the exam needs to be modified for your particular condition. 1  Pacemaker. 2  Pregnancy. 3  Claustrophobia. History of kidney problems.  Skin 1  tattoos. Neurostimulators (TENS- 2 unit) Implanted drug infusion device (i.e., insulin  pump)
An fMRI image with yellow areas showing increased activity compared with a control condition. Functional magnetic resonance imaging or functional MRI (fMRI) is a functional neuroimaging procedure using MRI technology that measures brain activity by detecting changes associated with blood flow. This technique relies on the fact that cerebral blood flow and neuronal activation are coupled.