{"id":207,"date":"2025-08-13T11:54:39","date_gmt":"2025-08-13T09:54:39","guid":{"rendered":"https:\/\/asran.itechsarl.com\/?p=207"},"modified":"2025-10-02T10:18:56","modified_gmt":"2025-10-02T08:18:56","slug":"rayonnements-ionisant","status":"publish","type":"post","link":"https:\/\/asran.itechsarl.com\/en\/rayonnements-ionisant\/","title":{"rendered":"Radiation protection"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"207\" class=\"elementor elementor-207\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e11366e e-con-full e-flex e-con e-parent\" data-id=\"e11366e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-136f4ba elementor-widget elementor-widget-heading\" data-id=\"136f4ba\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">RADIATION PROTECTION, EFFECTS, AND FUNDAMENTAL PRINCIPLES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-550730a e-flex e-con-boxed e-con e-parent\" data-id=\"550730a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c2f052 elementor-widget elementor-widget-heading\" data-id=\"6c2f052\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Effect des rayonnements ionisants<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc50d20 elementor-widget elementor-widget-text-editor\" data-id=\"bc50d20\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\u00c0 l\u2019instar de toutes les autres technologies, celles qui font appel aux rayonnements ionisants pr\u00e9sentent \u00e0 la fois des avantages et des risques. Le niveau de risque d\u00e9pend du type et de la quantit\u00e9 de rayonnements \u00e9mis.\u00a0\n<br>\nDes effets aigus sur la sant\u00e9, tels que des br\u00fblures cutan\u00e9es ou un syndrome aigu d\u2019irradiation, peuvent \u00eatre constat\u00e9s lorsque les doses de rayonnements d\u00e9passent des niveaux tr\u00e8s \u00e9lev\u00e9s : ce type d\u2019effet est appel\u00e9 effet d\u00e9terministe.\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b638255 e-con-full e-flex e-con e-child\" data-id=\"b638255\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f5406dd e-con-full e-flex e-con e-child\" data-id=\"f5406dd\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6101c82 elementor-widget elementor-widget-image\" data-id=\"6101c82\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1015\" height=\"626\" src=\"https:\/\/asran.itechsarl.com\/wp-content\/uploads\/2025\/09\/tocicite.png\" class=\"attachment-large size-large wp-image-761\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-51ec114 e-con-full e-flex e-con e-child\" data-id=\"51ec114\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ff41e68 e-con-full e-flex e-con e-child\" data-id=\"ff41e68\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-076a06c e-con-full e-flex e-con e-child\" data-id=\"076a06c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7e59bd elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"c7e59bd\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b623d8 e-con-full e-flex e-con e-child\" data-id=\"6b623d8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9006afd elementor-widget elementor-widget-text-editor\" data-id=\"9006afd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Dermatite aigu\u00eb suite \u00e0 une fluoroscopie\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f9746a e-con-full e-flex e-con e-child\" data-id=\"5f9746a\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e177527 e-con-full e-flex e-con e-child\" data-id=\"e177527\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e67fd04 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"e67fd04\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c9c24cd e-con-full e-flex e-con e-child\" data-id=\"c9c24cd\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c3d35b3 elementor-widget elementor-widget-text-editor\" data-id=\"c3d35b3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La l\u00e9sion a \u00e9volu\u00e9 vers une hyperpigmentation, scl\u00e9rose et ulc\u00e9ration 5 mois apr\u00e8s la fluoroscopie<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ecedc6 elementor-widget elementor-widget-text-editor\" data-id=\"0ecedc6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"Textbody\">Low doses of ionizing radiation can increase the risk of long-term effects, such as the development of cancer \u2014 this is referred to as a stochastic\u00a0effect.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cbdd8aa e-flex e-con-boxed e-con e-parent\" data-id=\"cbdd8aa\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-929384d elementor-widget elementor-widget-heading\" data-id=\"929384d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Radiation protection<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9156b0a elementor-widget elementor-widget-text-editor\" data-id=\"9156b0a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"Textbody\">Radiation protection is a set of rules, procedures, and preventive and monitoring measures aimed at preventing or reducing the harmful effects of ionizing radiation on people and the\u00a0environment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7be32db e-flex e-con-boxed e-con e-parent\" data-id=\"7be32db\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-768d63f elementor-widget elementor-widget-heading\" data-id=\"768d63f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Fundamental principles of radiation protection<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a64aec elementor-widget elementor-widget-text-editor\" data-id=\"1a64aec\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La r\u00e9glementation en mati\u00e8re de radioprotection s\u2019appuie sur trois principes fondamentaux :\u00a0 <strong>justification, optimisation et limitation de dose<\/strong> . Ces principes se basent sur les recommandations de la Commission Internationale de protection contre les radiations (CIPR).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d30c97 elementor-widget elementor-widget-text-editor\" data-id=\"9d30c97\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Fundamental principles of radiation protection <\/strong> Any exposure or practice must be justified by the benefits it provides, including medical exposures and practices. In short, justification involves ensuring that the use of ionizing radiation brings more advantages than\u00a0disadvantages.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6247052 elementor-widget elementor-widget-text-editor\" data-id=\"6247052\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Principe d\u2019optimisation\u00a0:<\/strong>\u00a0 L\u2019optimisation consiste quant a elle a r\u00e9duire l\u2019exposition au niveau le plus faible qu\u2019il est raisonnablement possible d\u2019atteindre en fonction des objectifs poursuivis (principe ALARA), en prenant en consid\u00e9ration les aspects \u00e9conomiques, soci\u00e9taux et environnementaux.\u00a0 Pour cela, on peut agir sur l\u2019intensit\u00e9 de la source du rayonnement, sur la fr\u00e9quence ou la dur\u00e9e des expositions, ou encore sur des dispositifs de protections individuels ou collectifs<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8383589 elementor-widget elementor-widget-text-editor\" data-id=\"8383589\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Principe de Limitation :<\/strong>\u00a0 Il s\u2019agit de contenir le niveau des expositions aux rayonnements ionisants en fixant des limites de dose pour les travailleurs et le public.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-105c478 e-flex e-con-boxed e-con e-parent\" data-id=\"105c478\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aafc4d1 elementor-widget elementor-widget-heading\" data-id=\"aafc4d1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"> Moyens de radioprotection<\/h4>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-609ab6e e-con-full e-flex e-con e-child\" data-id=\"609ab6e\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2c9baa3 e-con-full e-flex e-con e-child\" data-id=\"2c9baa3\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-390c220 elementor-widget elementor-widget-text-editor\" data-id=\"390c220\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Distance :<\/strong>\u00a0 S\u2019\u00e9loigner de la source de rayonnements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68dd366 elementor-widget elementor-widget-text-editor\" data-id=\"68dd366\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>En effet, dans le cas de rayonnement qui s\u2019att\u00e9nue peu dans l\u2019air, la dose re\u00e7ue par une source ponctuelle diminue selon l\u2019inverse du carr\u00e9 de la distance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3160fb7 e-con-full e-flex e-con e-child\" data-id=\"3160fb7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc066a4 elementor-widget elementor-widget-image\" data-id=\"fc066a4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"633\" src=\"https:\/\/asran.itechsarl.com\/wp-content\/uploads\/2025\/09\/moyen-de-radioprotection.png\" class=\"attachment-large size-large wp-image-762\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b30ade9 e-flex e-con-boxed e-con e-parent\" data-id=\"b30ade9\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9cb45e7 e-con-full e-flex e-con e-child\" data-id=\"9cb45e7\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-316a868 e-con-full e-flex e-con e-child\" data-id=\"316a868\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df4d412 elementor-widget elementor-widget-image\" data-id=\"df4d412\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"543\" height=\"390\" src=\"https:\/\/asran.itechsarl.com\/wp-content\/uploads\/2025\/09\/temps.png\" class=\"attachment-large size-large wp-image-764\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e6b170e e-con-full e-flex e-con e-child\" data-id=\"e6b170e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e605cd elementor-widget elementor-widget-image\" data-id=\"9e605cd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"451\" height=\"549\" src=\"https:\/\/asran.itechsarl.com\/wp-content\/uploads\/2025\/09\/paravent-blinde.png\" class=\"attachment-large size-large wp-image-763\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3db6d9a e-con-full e-flex e-con e-child\" data-id=\"3db6d9a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-387b8bc elementor-widget elementor-widget-text-editor\" data-id=\"387b8bc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #8b6914;\"><strong>Temps :<\/strong>\u00a0<\/span> Minimiser la dur\u00e9e d\u2019exposition aux rayonnements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9ce4c1 elementor-widget elementor-widget-text-editor\" data-id=\"c9ce4c1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tMinimiser\u00a0<strong> <span style=\"color: #8b6914;\">le temps de s\u00e9jour<\/span><\/strong>\u00a0 dans les zones contr\u00f4l\u00e9es ou dans le champ d\u2019irradiation.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3892da6 elementor-widget elementor-widget-text-editor\" data-id=\"3892da6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\u00c9viter\u00a0<strong> <span style=\"color: #8b6914;\">la multiplication\u00a0<\/span><\/strong>inutile des clich\u00e9s.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cdcc25 elementor-widget elementor-widget-text-editor\" data-id=\"7cdcc25\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong> <span style=\"color: #8b6914;\">\u00c9cran :\u00a0 <\/span><\/strong>Dans le cas d\u2019une exposition externe, il est possible d\u2019utiliser des \u00e9crans de protection entre la source et les personnes. Ces \u00e9crans sont choisis en fonction des caract\u00e9ristiques des rayonnements ionisants.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p class=\"text-justify mb-2\">RADIOPROTECTION, EFFET ET PRINCIPES FONDAMENTAUX Effect des rayonnements ionisants \u00c0 l\u2019instar de toutes les autres technologies, celles qui font appel aux rayonnements ionisants pr\u00e9sentent \u00e0 la fois des avantages et des risques. Le niveau de risque d\u00e9pend du type et de la quantit\u00e9 de rayonnements [&hellip;]<\/p>","protected":false},"author":1,"featured_media":764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[22,8],"tags":[],"class_list":["post-207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","category-guides-et-recommandations"],"_links":{"self":[{"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/comments?post=207"}],"version-history":[{"count":21,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/posts\/207\/revisions"}],"predecessor-version":[{"id":999,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/posts\/207\/revisions\/999"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/media\/764"}],"wp:attachment":[{"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/media?parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/categories?post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asran.itechsarl.com\/en\/wp-json\/wp\/v2\/tags?post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}