During the contrast phase of a ct - angiogram of the heart, the scanner displayed an error message resulting in the abortion of the scan phase of the examination.This error resulted in the pt receiving 70cc's of omnipaque 350 iv contrast without a diagnostic ct scan.This is the second such error which has prevented the scanning of a pt after they had received medication for contrast enhancement.A repeat cta was performed after the ct scanner was restarted and the pt had to receive double the amount of necessary iv contrast.
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