You are working as an emergency physician in 1986 Ukraine as part of an off-site medical team providing care for individuals in the near-immediate aftermath of the Chernobyl power plant accident. The most recent airborne particulate and soil radiation assessments for the affected area suggest the presence of radioactive iodine-131 (I-131).

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Emergency responders are currently implementing the mass-transport of individuals away from hot-zones. Transported individuals will be brought to medical staging areas like yours, established away from the disaster, so they can be decontaminated and then assessed by your team for internal contamination. As part of your team's preparations, you are discussing how to best use tests or procedures to triage individuals as they arrive at your station.

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The accident resulted in large releases of radioactive I-131 that scattered over a wide area. After being released, some of the I-131 settled on the ground where it was ingested by dairy cows. Children living in the affected area subsequently ingested I-131 contaminated cow milk.

As part of your outreach in the following few weeks since the meltdown, you encounter one such family, a 67-year old grandfather and his 12-year old granddaughter who lived near the power plant. Based on a thorough evaluation, you estimate that they both received a dose of 0.06 Gy  to the thyroid.

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You then review the assessment for the 67-year old man and consider his treatment plan.

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