Tag: radiation sickness

Communicating Radiation Risk to Patients

communicating radiation risk

Radiologic technologists play an important role in communicating radiation risk to patients. To this end, they must establish a rapport with the patient. One of the major challenges of risk communication is the difference in risk perception by healthcare professionals and the general public. To effectively communicate the risks and benefits of radiation exposure, radiographers need to understand this difference themselves. It is also important to remember that the general public may have obtained information from non-technical sources such as newspapers, magazines, TV shows, and Internet sites. Moreover, the layperson is prone to give equal importance to information from unverified sources and scientific bodies.

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Techniques to Reduce Bone Densitometry Radiation Dose

bone densitometry radiation dose

In this article we talk about bone densitometry radiation dose and the techniques that radiologic technologists can apply to reduce it. The two key principles in patient radiation protection are justification and optimization. Justification implies that any X-ray exposure is justified clinically. It means the examinations that will not affect the patient’s care are avoided. Once an examination is justified, optimization consists of activities that reduce bone densitometry radiation dose. This means delivery of the smallest possible dose to the patient.

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Radiation Dose in Modern Diagnostic Radiology

radiation dose control

Over the past several decades, the use of ionizing radiation in medical imaging has increased dramatically. This has resulted in a substantial increase in the radiation dose humans are exposed to. In 1950, approximately 25 million radiographic and fluoroscopic exams were performed. This number skyrocketed to nearly 300 million by the mid-2000s. In the 1980s, only 15 percent of all artificial radiation exposure was on account of medical imaging; by the mid-2000s, this figure had risen to almost 50 percent.

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Patient Radiation Dose Measurement in Fluoroscopy and CT Examinations

Fluoroscopy and patient radiation dose

Radiation dose represents the energy deposited per unit mass of tissue. It is typically measured in Gray (Joules/kg). This deposition of energy may cause damage the tissues, and therefore, patient radiation dose must be measured and monitored. Patients are exposed to some of the largest doses of radiation during fluoroscopically-guided procedures and computed tomography examinations. Radiologic technologists play a key role in limiting this dose, based on the ALARA principle, by using the correct imaging techniques.

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Orphaned Radiation Sources – Info for Radiologic Technologists

Mexico radioactive theft information for X-ray techs


On December 2, 2013, a commercial truck containing a dismantled radiation treatment device was stolen in Mexico. The device contained a significant amount of the radioactive material Cobalt 60. A few days later, the device was recovered. At least 6 people were evaluated for radiation exposure, but it was reported that all tests were negative, indicating that the radioactive material was not released. It appears that a very dangerous radiation disaster was avoided.


When radiological disasters happen, the victims end up where radiologic technologists work, in the hospital. They may be contaminated with radioactive dust or shrapnel in their bodies and on their clothing. As a radiologic technologist, even though you mainly work with X-rays on a day-to-day basis, the other hospital staff and public will have a reasonable expectation that you will have a better understanding than most about how to deal with a radiation disaster safely.

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