CT radiation may spark pacemaker malfunctions

September 8, 2008 Diagnostic Imaging. CT radiation may spark pacemaker malfunctions -------------------------------------------------------------------------------- The FDA Center for Devices and Radiological Health has warned imaging services that ionizing radiation from multislice CT scanners can cause implantable devices to malfunction. The incidence of radiation-induced pacemaker and implantable device malfunction has risen in recent years, mostly due to increased multislice CT use, said CDRH director Dr. Daniel G. Schultz. Patients implanted with pacemakers, defibrillators, and neurostimulators or using implanted or externally worn drug infusion pumps are at risk.

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