radiation dose


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radiation dose

[‚rād·ē′ā·shən ‚dōs]
(nucleonics)
The total amount of ionizing radiation absorbed by material or tissues, in the sense of absorbed dose (expressed in rads), exposure dose (expressed in roentgens), or dose equivalent (expressed in rems).
References in periodicals archive ?
A chest CT exposes patients to more than 400 times the radiation dose of a regular chest X-ray Over the last 15 years, radiation exposure has skyrocketed, not because of radiation treatment, but because of the use of CT scans for diagnosis.
TLDs were used to collect data in the form of counts that could be translated into radiation dose received per surgeon.
In its advocacy of adoption of two of those principles - appropriate justification of the radiation procedure and optimization of the radiation dose used - and under its regulatory oversight of medical imaging devices, the FDA plans to collaborate with other federal agencies and health professional groups to incorporate key quality assurance practices into mandatory accreditation for imaging facilities and hospitals.
So correct and proper radiation dose is paramount to optimise patient protection, which is the main responsibility of radiation safety section at OHS department," Dr al-Naemi pointed out.
Minimizing radiation dose for pediatric body applications of single-detector helical CT: strategies at a large children's hospital.
Ryushi Ichikawa, former deputy chief of the National Institute of Radiological Sciences, for instance, said, ''Efforts should be made to lower radiation doses on-site as much as possible.
The American College of Radiology has started an awareness program called Image Wisely (www.imagewisely.org) to encourage practitioners to avoid unnecessary scans or to use the lowest radiation doses possible when scans are needed.
In May, researchers at the International Society for Computed Tomography conference in San Francisco presented the first results of studies using GE's next-generation version of ASIR, which may allow doctors to cut the radiation dose by 80 per cent, the company said last month.
4 issue of the Journal of the American Medical Association (JAMA) found that among 1,965 people at 50 hospitals, the average radiation dose from a CT cardiac angiogram was 12 mSv--about three to four years of background radiation.
Summary: Global market for radiation dose optimisation software is expected to rise at a CAGR of 27.4% from 2017 to 2027.

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