Chicago—Magnetic resonance imaging (MRI) is problematic for patients with electrical heart pacemakers because the procedure may interact with the device in ways that compromise patient safety.
Although MRI is indicated for up to 75% of patients with this cardiac device, only those who have certain types of pacemakers might be eligible for the procedure—and even then, MRI for patients with such pacemakers remains controversial because it is not approved by the US Food and Drug Administration and it is only being performed in specialized centers.
Mitka M. Researchers Seek MRI-Safe Pacemakers. JAMA. 2009;301(5):476. doi:10.1001/jama.2009.36