These contraindications include but are not limited to the following devices or conditions: | |
---|---|
1. | Implanted cardiac pacemaker or defibrillator |
2. | Cochlear Implants |
3. | Ocular foreign body (for example, metal shavings) |
4. | Embedded shrapnel fragments |
5. | Central nervous system aneurysm clips |
6. | Implanted neural stimulator |
7. | Any implanted device that is incompatible with MRI |
8. | Unsatisfactory performance status as judged by the physician such that the participant could not tolerate an MRI scan |
9. | Participants requiring monitored sedation for MRI studies |
10. | Participants with a condition precluding entry into the scanner (for example, morbid obesity, claustrophobia) |
11. | Participants with severe back-pain or motion disorders who will be unable to tolerate supine positioning within the MRI scanner and hold still for the duration of the examination |
Exclusion criteria for gadolinium-based MRI studies only: | |
1. | History of severe allergic reaction to gadolinium contrast agents despite pre-medication with diphenhydramine and prednisone |
2. | Chronic kidney disease (estimated glomerular filtration rate of <60 mL/min/1.73 m2 of body surface area) |