176 CHAPTER 5 Nuclear Chemistry Clinical Update L Cardiac Imaging Using a Radioi

Question

176 CHAPTER 5 Nuclear Chemistry Clinical Update L Cardiac Imaging Using a Radioisotope As part of her nuclear stress test, Simone starts to walk on tread mill. When she reaches the the dye with -201 an maximum level, Paul injects radioactiv a 74 MBq. The radiation emitte from areas of heart is detected by a scanner and produces o her heart muscle After Simone images with TI-201 and rests for 3 h, Paul injects more dy images of her she is placed under the scanner again. A second set o reviews her heart muscle at rest are taken. When Simone's docto scans, he assures her that she had normal blood flow t her heart muscle, both at rest and under stress. R Clinical Applications 5.45 What is the activity of the radioactive dye injection for Simone a. in curies?

Explanation / Answer

Radioactivity = 74 Mbq
So, we have to convert Megabecquerel to curie
2.7*10-5 * (activity in Mbq) = Activity in curie
2.7*10-5 * 74 = 1.998*10-3 curie
The activity of radioactive dye injection for Simone's in curie is = 1.998*10-3Ci

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