{"id":6802,"date":"2016-02-03T14:47:26","date_gmt":"2016-02-03T13:47:26","guid":{"rendered":"http:\/\/www.rontgen.com\/wp-doctor\/?p=6802"},"modified":"2016-03-08T21:16:50","modified_gmt":"2016-03-08T20:16:50","slug":"vad-innehaller-kontrast","status":"publish","type":"post","link":"https:\/\/www.rontgen.com\/wp-doctor\/vad-innehaller-kontrast","title":{"rendered":"Vad inneh\u00e5ller kontrast"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-81\" style=\"border: 0px none; margin: 5px;\" alt=\"Fr\u00e5ga\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_faq.gif\" width=\"12\" height=\"13\" \/>Vad inneh\u00e5ller kontrasv\u00e4tskan som anv\u00e4nds vid DT r\u00f6ntgen? Det \u00e4r hj\u00e4rnan som ska r\u00f6ntgas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-85\" style=\"border: 0px none; margin: 5px;\" alt=\"Svar\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_register.gif\" width=\"12\" height=\"13\" \/>All kontrastmedel som ska injiceras i blodet \u00e4r vattenl\u00f6sligt. F\u00f6r r\u00f6ntgenunders\u00f6kningar inneh\u00e5ller kontrasten bla. jod som \u00e4r det \u00e4mne som g\u00f6r att man ser kontrasten i kroppens organ d\u00e5 detta sprutas in. Jod har den kemiska egenheten att den kan bilda vattenl\u00f6sliga f\u00f6reningar med l\u00e5g toxicitet. Jodatomens h\u00f6ga t\u00e4thet g\u00f6r att r\u00f6ntgenstr\u00e5len bromsas upp lite. Denna attenuering (d\u00e4mpning) av str\u00e5lens passage genom\u00a0ett organ\u00a0g\u00f6r att man d\u00e5 f\u00e5r en skillnad i r\u00f6ntgenbildens gr\u00e5skala dvs. man ser kontrastmedlet.<br \/>\nF\u00f6r att f\u00e5 jod l\u00f6sligt och flytande blandas denna med bl. trometanol (emulgerings\u00e4mne), vatten, saltsyra (reglerar ph-v\u00e4rdet), natriumklorid, mm.<\/p>\n<p>Jodkontrast l\u00e4mnar kroppen via urinen varf\u00f6r en v\u00e4l fungerande njurfunktion \u00e4r viktigt. Likas\u00e5 ska man dricka rikligt s\u00e5v\u00e4l f\u00f6re som de efterf\u00f6ljande 12-24 timmarna s\u00e5 denna kontrast helt l\u00e4mnar kroppen. Riklig dryck ger en \u00f6kad blodplasmavolym som i sin tur ger en \u00f6kad njurgenombl\u00f6dning som anses minska p\u00e5verka p\u00e5 njurarna av kontrasten.<\/p>\n<p>Kontrasmedel f\u00f6r MR- och ultraljudsunders\u00f6kningar inneh\u00e5ller inte jod utan har helt andra ingredienser.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-83\" style=\"border: 0px none; margin: 5px;\" alt=\"Svarat av\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_profile.gif\" width=\"12\" height=\"13\" \/>K.T. rtgssk<br \/>\nR\u00f6ntgen Helsingborg<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vad inneh\u00e5ller kontrasv\u00e4tskan som anv\u00e4nds vid DT r\u00f6ntgen? Det \u00e4r hj\u00e4rnan som ska [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[38],"class_list":["post-6802","post","type-post","status-publish","format-standard","hentry","category-annat","tag-kontrast"],"_links":{"self":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/6802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/comments?post=6802"}],"version-history":[{"count":0,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/6802\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/media?parent=6802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/categories?post=6802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/tags?post=6802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}