Scenario 1: Nuclear Medicine Imaging • Patients who have received radionuclide therapy shall be accommodated in the hospital facilities in a manner that minimizes the radiation exposure of workers, other patients and visitors. • Patients who have had radioactive substances administered to them may be treated as outpatients when radiation exposures caused to family members and other persons by the residual activity in these patients remain insignificant. The following dose constraints shall be applied: Family members of the patient o Children (including unborn children) 1 mSv/treatment o Adults (under 60 years of age) 3 mSv/treatment o Adults (60 years of age and older) 15 mSv/treatment Other persons (members of the public) 0.3 mSv/year • If it is possible that the dose constraints of family members or any other individuals might be exceeded, (e.g. because of a long journey, or if there are small children at home) the patient must remain in hospital until the residual activity in this patient has fallen sufficiently. • Patients with incontinence should not be released to their own home or to nursing home immediately after treatment. • After 131I treatment the patient may be released from hospital after receiving the relevant radiation protection instructions when the residual 131I activity in patient no longer exceeds 800 MBq. • When using beta-emitting radionuclides, such as 32P, 89Sr and 90Y, no radiation protection measures are necessary after the residual activity in a patient no longer exceeds 200 MBq.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scenario 1: Nuclear Medicine Imaging • Patients who have received radionuclide therapy shall be accommodated in the hospital facilities in a manner that minimizes the radiation exposure of workers, other patients and visitors. • Patients who have had radioactive substances administered to them may be treated as outpatients when radiation exposures caused to family members and other persons by the residual activity in these patients remain insignificant. The following dose constraints shall be applied: Family members of the patient o Children (including unborn children) 1 mSv/treatment o Adults (under 60 years of age) 3 mSv/treatment o Adults (60 years of age and older) 15 mSv/treatment Other persons (members of the public) 0.3 mSv/year • If it is possible that the dose constraints of family members or any other individuals might be exceeded, (e.g. because of a long journey, or if there are small children at home) the patient must remain in hospital until the residual activity in this patient has fallen sufficiently. • Patients with incontinence should not be released to their own home or to nursing home immediately after treatment. • After 131I treatment the patient may be released from hospital after receiving the relevant radiation protection instructions when the residual 131I activity in patient no longer exceeds 800 MBq. • When using beta-emitting radionuclides, such as 32P, 89Sr and 90Y, no radiation protection measures are necessary after the residual activity in a patient no longer exceeds 200 MBq.

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