The invention of x rays
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In Germany the x-rays were discovered simply by Wilhelm Roentgen in 1895 and in 1905 he was honored the Nobel Prize in recognition of his efforts to physics. After this discovery, the new xray technology was rapidly utilized in medical medicine. You cannot find any published data documenting the starting use of ionizing rays in prognosis in Arab saudi, but in 1950 it started to pay attention to security health and founded the initially Public Health Section in Makah. This was then establishing the first medical center of Full Saud in Riyadh as soon as 1956 (1).
Seeing that 1896 the x-ray in the United States was rapidly applied in clinical medicine and the quantity of radiologic assessments increased regarding tenfold among 1980 and 2006 (2). The availability of x-ray technology and the volume of medical imaging can vary widely from region to country, however , in Saudi Arabia the growing of x-ray technology was increased and probably increase the the radiation dose received by the sufferers and this offers concerned doctors and rays physicists, and regulatory physiques such as the Countrywide Center to get Radiation Safeguard (SNCRP) in King Abdul-Aziz City to get Science and Technology (KACST).
The relation between growing of x-ray technology and elevating the dose have also intensified the question of justification and knowledge of medical doctors about individual dose during radiological assessments. To name a few, the research in Swedish evaluated that 20% coming from all multi-slice CT performed in Sweden will not be justified (3). On the other hand, two studies calculating the awareness of physicians and so they have exposed a lack of knowledge about the dangers of radiological examinations prove health and on their patients (4, 5).
Increasing the dose to get patients together with the growing of x-ray technology prompted the International Commission rate on Radiological Protection (ICRP) in 1990 to mention employing of classification reference amounts (DRLs) as benchmarks intended for radiation security and search engine optimization of individual imaging (6) performed in the local area, country or place where they may be applied. DRLs should be arranged the typical doses which represents typical practice for a affected person group for the specific type of examination.
In mil novecentos e noventa e seis, the ICRP defined two principles govern the professional use of rays sources: optimization and approval of radiology examinations. Optimization implies that the exposure from the individuals and of the population should preserve just reasonably attainable (ALARA). On the other hand, Justification means that every liveliness involving sufferer exposure should be justified by the advantages that may give (7).
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