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thallium poisoning

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thallium poisoning,
a toxic condition caused by the ingestion or absorption through the skin of thallium salts, especially thallium sulfate. Characteristics of the condition are abdominal pain, vomiting, bloody diarrhea, tremor, delirium, and alopecia. Thallium has been used in insect and rodent poisons, fireworks, and some cosmetic hair removers, but this extremely toxic and cumulative poison was banned for use in household products in 1965.

thallium
a chemical element, atomic number 81, atomic weight 204.37, symbol Tl. See Table 6. Its salts are active poisons. See thallotoxicosis.

thallium-201
a radioactive isotope of thallium having a half-life of 73.5 hours; the principal emission is 71 keV x-rays.
thallium poisoning
thallium scan
a scintillation scan involving the use of thallium-201 which localizes in the myocardium after intravenous injection. Areas of inadequate perfusion pinpoint the site of coronary artery occlusions.


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