Flashcards in Lecture 9 Deck (12):
Occupational exposure for MIT?
Occupational exposure for RT?
Risk of fatal cancer
500 million/ 10mSv
MRT- 5-50 million
of fatal cancer of heredity factors for ALL future generations and an allowance for non fatal cancer
Why the difference between workers and the general population?
workers tend to be of reasonable health and in the prime age group (approx 20-60 years old)
Annual mortality risk?
100 deaths/ million
the risks of inducing fatal cancer are in the range of?
0.5 to 400 per million procedures for Medical imaging
radiation from examinations?
- the benefit of diagnosis -the time to receive a similar quantity of radiation from background radiation at sea level
diagnostic radiology contributes
0.5 mSv of effective dose
2-3 million examinations annually
detriment of diagnostic radiology
500 fatal cancers
100 heritable effects induced per yr
Cosmic rays 0.3 Radionuclides in soils 0.6 Radon progeny 0.2 Internal radionuclides 0.4 TOTAL 1.5