For RBCs labelled with Tc 99m critical organ is the spleen.
Thursday, December 14, 2023
NRC dose limit for members of the public mnemonic
See video here: https://youtube.com/shorts/T3VLOStIMQc?si=txskgKX4-AtdhiS0
The total effective dose equivalent to individual members of the public from the licensed operation does not exceed 0.1 rem (1 mSv) in a year, exclusive of the dose contributions from background radiation, from any administration the individual has received, from exposure to individuals administered radioactive material and released under § 35.75, from voluntary participation in medical research programs, and from the licensee's disposal of radioactive material into sanitary sewerage in accordance with § 20.2003
updated mnemonic here https://youtu.be/MQmgs6-A_7o?si=zk5xCwdoAtjSI1KG
Wednesday, December 13, 2023
Transmission factor practice question
Assume there is an initial radiation level of 15 R/hr inside a facility. The walls of the facility are constructed with tungsten, having a 30% transmission factor, and fiberglass, with an 80% transmission factor. How much radiation reaches outside the facility?
Tuesday, December 12, 2023
Monday, December 11, 2023
Applications of indium-111 antimyosin imaging
Applications of indium-111 antimyosin imaging:
Evaluation of the site, extent and quantitation of the severity of myocardial necrosis.
Myocarditis
Uptake after 1 year post-transplant is associated with an increased rejection rate
Anthracycline treatment - unclear role
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