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New rules for heart scan aims to reduce excessive radiation exposure

Instructions for a recalled device and drug used to produce scans to evaluate the heart have been revised in an effort to determine what may have caused excess radiation in some patients. The CardioGen-82 PET scan, made by Bracco Diagnostics Inc., is used to perform cardiac positron emission tomography (PET) scans with the radioactive drug rubidium (Rb)-82 chloride injection to evaluate the heart. The Food and Drug Administration (FDA) has received reports of two patients who received more radiation than expected from CardioGen-82. The excess radiation was due to strontium isotopes which may have been inadvertently injected into the patients ... Read More