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MIAMI (CBSMiami) — Almost half a million people in the U.S. must update their pacemakers that are vulnerable to being hacked.

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The Food and Drug Administration (FDA) is recalling implantable pacemakers from “Abbott Laboratories.”

According to the FDA, the pacemakers could be compromised by hackers.

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The flaws would potentially allow hackers to change the settings or even turn off the pacemakers.

Patients with the devices embedded in their chests will require a trip to the hospital to make the fix.

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To check if your pacemaker is included in the recall, contact the company’s hotline at 1-800-722-3774.