If the patient has a pacemaker, it is a contradiction to the study for the patient. A pacemaker is a compact device that helps your heart beat more regularly. It does this with a small electrical shock that helps control your heartbeat or jumpstart it if it stops beating.
Your physician places the pacemaker under the skin on your chest, just under your collarbone. It is hooked up to your heart with tiny wires. An MRI scan can damage implanted cardiac devices. The powerful magnets can trigger changes in pacemakers’ settings, and this may pose a risk for certain patient's, such as those who are entirely dependent on their pacemaker.
The implanted pacemaker will interfere with the magnetic fields of the MRI scanner and may be deactivated by them. Shellfish/iodine allergy is not a contraindication because the contrast used in MRI scanning is not iodine-based. Open MRI scanners and anti-anxiety medications are available for patients with claustrophobia. Psychiatric medication is not a contraindication to MRI scanning.
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