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DXA Scan Errors: Do You Know These Common Sources?

DXA scan errors patient positioning

Bone density testing is an important tool in the management of osteoporosis. Several different radiological modalities are available to measure bone density. Although each one has its own advantages and disadvantages, DXA is the most widely used. However, there are certain DXA scan errors that DXA operators and general radiographers should be aware of.

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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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Fracture Risk Assessment Tool: An Overview for X-ray Techs

fracture risk assessment tool BMD

The gold standard in diagnostic testing for osteoporosis and fracture risk is bone mineral density (BMD) measurement. However, it is neither cost-effective nor practical to perform BMD testing in every individual and use this as a fracture risk assessment tool. The majority of people are not at risk of bone disease. Thus, BMD testing is recommended only in populations that are known to be at high risk, such as women over the age of 65. What are some of the other fracture risk assessment tools available to healthcare providers?

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