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Contrast Media Shortage of 2022 – Lessons Learned

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3 A study of CT use trends in the ED has shown increasing use of CTs by almost 60% from 2005 to 2013. 3 A study of CT use trends in the ED has shown increasing use of CTs by almost 60% from 2005 to 2013. Direct methods used to reduce contrast media usage in CT imaging. 9 2) Use of alternative contrast agents Table 3.