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Chemical Agents of Opportunity for Terrorism: TICs & TIMs

Chemical Agents of Opportunity for Terrorism: TICs & TIMs

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<strong>Chemical</strong> <strong>Agents</strong> <strong>of</strong> <strong>Opportunity</strong> <strong>for</strong> <strong>Terrorism</strong><br />

Training Support Package<br />

Participant Guide<br />

Slide 48<br />

Another chelating agent is DTPA, which is generally given IV. It is used to bind larger<br />

radioactive elements such as plutonium. There are two <strong>for</strong>ms <strong>of</strong> DTPA, one complexed<br />

with calcium, the other with zinc. Calcium DTPA is more effective in the first 24 hours<br />

after exposure, but Zn-DTPA is recommended <strong>for</strong> delayed or ongoing therapy. These<br />

agents exchange the calcium or zinc <strong>for</strong> the plutonium or other transuranic element<br />

(curium, americium) and the complex is excreted by the kidney in the urine.<br />

December 2008 Version 2.0 Page 411

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