PDF-CT Radiation Dose and Risk Fact vs Fiction

199 Daniel N DeMaio MEd RTRCT S ince its development in the early 1970s com puted tomography CT has secured a place among important diagnostic imaging proce dures helping to save coun. PARM AUTUMN SYMPOSIUM. October 6 & 7, 2011. Margaret “Peggy” Blackwood, MS, DABR. System Director, Radiation Physics. Radiation Safety Officer. West Penn Allegheny Health System. Radiation safety…we’ve come a long way. Week of September 17, 2012. What’s the difference?. Science Fiction. Planets. Alien. Flying, talking animals in space. Light sabers. Space ships coming out of the . TV. robots. Realistic Fiction. Might really happen. vs. Fiction. Gladiator Assignment. The film . Gladiator. is a work of fiction and while many aspects of the story . have been invented . by the filmmakers, it . still features . real historical figures and depicts some events quite accurately, particularly gladiatorial . Fact . vs. Fiction. Disclosures. No financial disclosures for myself or family. No off label uses will be discussed. One exception: I am a radiologist. 25+ years selling . xrays. for a living. Mortgages and college tuition still to pay. RADIATION/MRI SAFETY. RADIATION SAFETY/PROTECTION. Medical diagnostic x-rays contribute more to the exposure of the population than do all other man-made sources of radiation. As an occupational radiation worker, you may be exposed to more radiation that the general public.. . Protection. in . Laboratory. . work. Mats Isaksson, prof.. Department. . of. . radiation. . physics. , GU. mats.isaksson@radfys.gu.se. Fundamental . principles. (ICRP). Justification. Optimisation. Lesson 3. What genre is this? Does . Fahrenheit 451. belong to this genre? What other books have you read in this genre?. Science fiction . is a genre of fiction dealing with imaginative content such as futuristic settings, futuristic science and technology, space travel, time travel, parallel universes, and extraterrestrial life. . Realistic fiction is made up of stories that could really happen. . The stories are set in modern times.. Examples of Realistic Fiction. Because of Winn Dixie. Crash. Owl Moon. Shiloh. Bridge to . Terabithia. They may survive falls from high places. They may receive broken bones in the process. If a cat falls from a distance under . 12 feet . they may not have enough time to right themselves. Cats always land on their feet. . Radiation effects:. Deterministic effects. Stochastic effects. Deterministic effects. A deterministic effects has a threshold in dose.. The severity of the effect is dose related.. Radiation induced cataracts are an example of a deterministic effects.. Fiction and Non-Fiction. Genres of literature are divided into (2) categories. Non-Fictions are informational texts dealing with real-life subjects. Real or Actual. Fictions are narrative literary works produced by the imagination. Laboratory. . work. Mats Isaksson, prof.. Department. . of. . radiation. . physics. , GU. mats.isaksson@radfys.gu.se. Fundamental . principles. (ICRP). Justification. Optimisation. Application. of . Fact or Fiction?. Bioengineered crops (GMOs) are created by injecting chemicals into food AFTER it is harvested. Fiction. GMOs are developed through genetic engineering where scientists identify and insert specific traits into the DNA of the seed before it is ever planted. The plant grows just like conventional (non-GMO) seeds. The transgenic trait is then transferred to other varieties through traditional cross-breeding.. Bálint Vecsei dr.. Principles. of . radiation. . protection. , . dose. . limits. http://www.kernenergie.de. radioaktivität. . röntgenstrahlen. und . gesundheit. Radiation. is . indispensable.