{"id":17842,"date":"2024-03-01T15:36:58","date_gmt":"2024-03-01T13:36:58","guid":{"rendered":"https:\/\/www.medtron.com\/en\/mehr-wissen-2\/"},"modified":"2025-06-18T11:05:54","modified_gmt":"2025-06-18T09:05:54","slug":"knowledge-hub","status":"publish","type":"page","link":"https:\/\/www.medtron.com\/en\/knowledge-hub\/","title":{"rendered":"Knowledge Hub"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"17842\" class=\"elementor elementor-17842\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bd321b8 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"bd321b8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3742c5a\" data-id=\"3742c5a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd6babf elementor-widget elementor-widget-slider_revolution\" data-id=\"cd6babf\" data-element_type=\"widget\" data-widget_type=\"slider_revolution.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wp-block-themepunch-revslider\">\n\t\t\t<!-- START Danke Mehr Wissen REVOLUTION SLIDER 6.6.20 --><p class=\"rs-p-wp-fix\"><\/p>\n\t\t\t<rs-module-wrap id=\"rev_slider_37_1_wrapper\" data-source=\"gallery\" style=\"visibility:hidden;background:transparent;padding:0;margin:0px auto;margin-top:0;margin-bottom:0;\">\n\t\t\t\t<rs-module id=\"rev_slider_37_1\" style=\"\" data-version=\"6.6.20\">\n\t\t\t\t\t<rs-slides style=\"overflow: hidden; position: absolute;\">\n\t\t\t\t\t\t<rs-slide style=\"position: absolute;\" data-key=\"rs-75\" data-title=\"Slide\" data-in=\"o:0;\" data-out=\"a:false;\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" src=\"\/\/www.medtron.com\/en\/wp-content\/plugins\/revslider\/public\/assets\/assets\/dummy.png\" alt=\"Kreativer Kopf bestehend aus bunten Puzzleteilen\" title=\"Header-Mehr-Wissen\" width=\"1920\" height=\"737\" class=\"rev-slidebg tp-rs-img rs-lazyload\" data-lazyload=\"\/\/www.medtron.com\/en\/wp-content\/uploads\/2024\/03\/Header-Mehr-Wissen.jpg\" data-parallax=\"off\" data-no-retina>\n<!---->\t\t\t\t\t\t<\/rs-slide>\n\t\t\t\t\t<\/rs-slides>\n\t\t\t\t\t<rs-static-layers><!--\n\t\t\t\t\t--><\/rs-static-layers>\n\t\t\t\t<\/rs-module>\n\t\t\t\t<script>\n\t\t\t\t\tsetREVStartSize({c: 'rev_slider_37_1',rl:[1240,1240,1240,480],el:[600,600,600,320],gw:[1300,1300,1300,650],gh:[600,600,600,320],type:'hero',justify:'',layout:'fullwidth',mh:\"0\"});if (window.RS_MODULES!==undefined && window.RS_MODULES.modules!==undefined && window.RS_MODULES.modules[\"revslider371\"]!==undefined) {window.RS_MODULES.modules[\"revslider371\"].once = false;window.revapi37 = undefined;if (window.RS_MODULES.checkMinimal!==undefined) window.RS_MODULES.checkMinimal()}\n\t\t\t\t<\/script>\n\t\t\t<\/rs-module-wrap>\n\t\t\t<!-- END REVOLUTION SLIDER -->\n<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d24f1f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"d24f1f1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9af7204\" data-id=\"9af7204\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb21f68 elementor-widget elementor-widget-heading\" data-id=\"eb21f68\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">MEDTRON Knowledge Hub<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d8afb3 elementor-widget elementor-widget-text-editor\" data-id=\"2d8afb3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Dive deeper into contrast media injection<\/h3>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a5c93d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"a5c93d6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f30be64\" data-id=\"f30be64\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aa96479 elementor-widget elementor-widget-text-editor\" data-id=\"aa96479\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Discover the fascinating world of contrast media injection in our MEDTRON Knowledge Hub. Immerse yourself in comprehensive information about the different types of contrast media, injection techniques and safety guidelines. Our platform offers multimedia content to expand your expertise and give you a deeper understanding of this important technology in medical imaging. Whether you are an experienced professional or simply curious, you will find valuable resources to deepen your knowledge of contrast media injection and stay up to date.\u00a0<\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0f9a46e\" data-id=\"0f9a46e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c8db2a5 elementor-widget elementor-widget-text-editor\" data-id=\"c8db2a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our current article in focus: The <i>\u2018Golden Rules of Contrast Media Administration\u2019<\/i> \u2013 concise, understandable and straight from the everyday life of a CT expert. Written by <a href=\"https:\/\/www.alex-riemer.de\/\"><b>Alex Riemer<\/b><\/a> and provided exclusively by <b>MEDTRON AG<\/b>, they offer valuable guidance for safe and efficient contrast media administration.<\/p><p>With many years of practical experience and a trained eye for the crucial details, Alex Riemer summarises the most important basic principles of modern contrast agent administration. Whether for newcomers or experienced users, this article offers valuable insights for everyday radiology practice.<\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1845a38 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"1845a38\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-438bc0d\" data-id=\"438bc0d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-949ba1b elementor-widget elementor-widget-spacer\" data-id=\"949ba1b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-q_id=\"#fokus\" class=\"elementor-section elementor-top-section elementor-element elementor-element-44d0306 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"44d0306\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-edb0f37\" data-id=\"edb0f37\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a7ab881 elementor-widget elementor-widget-heading\" data-id=\"a7ab881\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">GOLDEN RULES FOR THE USE OF CONTRAST MEDIA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81b67bf elementor-widget elementor-widget-text-editor\" data-id=\"81b67bf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>powered by Alex Riemer<\/h3>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a9e7616 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"a9e7616\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-674b94a\" data-id=\"674b94a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a697193 elementor-widget elementor-widget-heading\" data-id=\"a697193\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#1 Duration of injection for arterial CT examinations: alignment with the duration of the scan<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b738da elementor-widget elementor-widget-text-editor\" data-id=\"0b738da\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For CT examinations targeting only arteries (e.g. CT angiography, arterial chest CT), the acquisition scan duration is the main factor taken into consideration when configuring the injection protocol.<\/p><ul><li style=\"list-style-type: none;\"><ul><li>This means: The injection duration must be proportionate to the acquisition duration.<\/li><li>If this is not taken into account, the injection duration may be too long or too short, resulting either in an unnecessarily high dose of contrast media or in suboptimal contrast enhancement.<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2e0491 elementor-widget elementor-widget-heading\" data-id=\"c2e0491\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#2 Calculation of the contrast media quantity for arterial examinations<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7102bb1 elementor-widget elementor-widget-text-editor\" data-id=\"7102bb1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The contrast media quantity for an arterial examination can be calculated using the following formula:<\/p><ul><li style=\"list-style-type: none;\"><ul><li><strong>CM quantity [ml] = (scan time [s] + delay<sup>aBT\u00a0<\/sup>[s]) x flow [ml\/s]<\/strong><ul><li><strong><u>Delay<sup>aBT\u00a0<\/sup>= delay after bolus tracking<\/u><\/strong>\u00a0\u2013 the time delay between reaching the trigger threshold and the start of the spiral scan<\/li><\/ul><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b07d1c elementor-widget elementor-widget-heading\" data-id=\"8b07d1c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#3 Influence of body weight on contrast and flow in CT examinations<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f5c63c elementor-widget elementor-widget-text-editor\" data-id=\"4f5c63c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If the contrast media protocol is not adapted to the patient&#8217;s body weight, the following will apply:<\/p><ul><li style=\"list-style-type: none;\"><ul><li>The higher the patient&#8217;s body weight, the poorer the contrast enhancement.<\/li><li>For arterial examinations:<ul><li>The higher the patient&#8217;s body weight, the higher the flow rate should be (Figure 1).<\/li><\/ul><\/li><li>For abdominal parenchymal examinations (e.g. liver):<ul><li>The higher the patient&#8217;s body weight, the higher the contrast media volume should be (360-500\u00a0mg iodine\/kg body weight) (Figure 2).<ul><li>In order to achieve effective contrast enhancement irrespective of body weight in the arterial phase of an abdominal CT examination as well, the flow rate should be adapted in addition to the CM volume.<\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ab9323 elementor-widget elementor-widget-heading\" data-id=\"9ab9323\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#4 Tube voltage and iodine contrast: the correlation in the CT protocol<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9716d80 elementor-widget elementor-widget-text-editor\" data-id=\"9716d80\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Tube voltage has a considerable influence on iodine contrast (Figure 3).<\/p><ul><li style=\"list-style-type: none;\"><ul><li>If the contrast media protocol is not adapted, the following will apply:<ul><li>The higher the tube voltage, the poorer the iodine contrast.<\/li><li>The lower the tube voltage, the better the iodine contrast.<\/li><\/ul><\/li><li>For arterial examinations (e.g. CTA) combined with poor injection conditions, a low tube voltage can help to achieve adequate arterial contrast enhancement in spite of a low flow rate.<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19f9207 elementor-widget elementor-widget-heading\" data-id=\"19f9207\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#5 Target value for vascular contrast in CT angiography: at least 250 HU<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9bbb93d elementor-widget elementor-widget-text-editor\" data-id=\"9bbb93d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For CT angiography, vascular contrast of at least 250 HU should be achieved.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-832c81e elementor-widget elementor-widget-heading\" data-id=\"832c81e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#6 Optimal Hounsfield units for diagnostic liver CT: more than 100 HU<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbfacaf elementor-widget elementor-widget-text-editor\" data-id=\"bbfacaf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For an effective diagnostic liver CT scan, the parenchymal contrast of the liver should be greater than 100 Hounsfield units (HU).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9df9e5f elementor-widget elementor-widget-heading\" data-id=\"9df9e5f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#7 The rule for contrast-enhanced CT: \"CM is the way forward!\"<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-312c6f7 elementor-widget elementor-widget-text-editor\" data-id=\"312c6f7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For contrast-enhanced CT examinations, this rule should be followed wherever possible:<\/p><ol><li style=\"list-style-type: none;\"><ul><li><strong>&#8220;CM is the way forward!&#8221;<\/strong><ul><li>CT examinations should be performed with a sufficient quantity of CM to ensure an accurate diagnosis.<\/li><li>If the contrast media volume and\/or flow rate is too low, it may not be possible to establish a diagnosis.<\/li><\/ul><\/li><\/ul><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79d19a6 elementor-widget elementor-widget-heading\" data-id=\"79d19a6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#8 Elimination of iodinated contrast media with normal kidney function<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2eae001 elementor-widget elementor-widget-text-editor\" data-id=\"2eae001\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>With normal kidney function, intravenously administered iodinated contrast media are 50% eliminated after around 2 hours, 75% eliminated after 4 hours and almost completely eliminated after 24 hours.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05f68b6 elementor-widget elementor-widget-heading\" data-id=\"05f68b6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#9 Bolus tracking positioning: Ascending or descending aorta?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d2b352 elementor-widget elementor-widget-text-editor\" data-id=\"0d2b352\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Whether the bolus tracking\/test bolus ROI is positioned in the ascending aorta or descending aorta has no relevant influence on the examination quality or the iodine contrast, as the blood flow velocity in the thoracic aorta is typically between 0.72\u00a0m\/s and 1.2\u00a0m\/s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d16c0bd elementor-widget elementor-widget-heading\" data-id=\"d16c0bd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">#10 Higher iodine concentration for improved contrast with low flow<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f313be2 elementor-widget elementor-widget-text-editor\" data-id=\"f313be2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The higher the iodine concentration of the contrast media, the better the contrast will be, even with low contrast media quantities and flow rates.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6580c13 elementor-widget elementor-widget-spacer\" data-id=\"6580c13\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30afee8 elementor-widget elementor-widget-text-editor\" data-id=\"30afee8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>About the Author<\/h3><p>Alex Riemer is an expert in computed tomography, an enthusiastic MTR, a passionate trainer and speaker, and a successful author of specialist books.<\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c1336c2\" data-id=\"c1336c2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3d36c9 elementor-widget elementor-widget-image\" data-id=\"e3d36c9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 1 -Teil 1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NDgsInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy0xLVRlaWwtMS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1.png\" class=\"attachment-large size-large wp-image-17848\" alt=\"Table showing the recommended injection rate based on 120 kV\" srcset=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1.png 1000w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1-300x180.png 300w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1-768x461.png 768w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-1-700x420.png 700w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1 - part 1<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a69910f elementor-widget elementor-widget-image\" data-id=\"a69910f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-1-Teil-2.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 1 - Teil 2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NDksInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy0xLVRlaWwtMi5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/elementor\/thumbs\/EN_Abbildung-1-Teil-2-r7fz3notd37o4o1o4e8zehdpl7bapbdq715fw71dx4.png\" title=\"EN_Abbildung 1 &#8211; Teil 2\" alt=\"The current CT guidelines reccomend iodine delivery rates of 1.2 - 2.0 g iodine\/s.\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1 - part 2<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-990a3d3 elementor-widget elementor-widget-image\" data-id=\"990a3d3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 2 - Teil 1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NTAsInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy0yLVRlaWwtMS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1.png\" class=\"attachment-large size-large wp-image-17850\" alt=\"Table 360 mL iodine \/ kg body weight\" srcset=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1.png 1000w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1-300x180.png 300w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1-768x461.png 768w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-1-700x420.png 700w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2 - part 1<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f1d4ae elementor-widget elementor-widget-image\" data-id=\"6f1d4ae\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 2 - Teil 2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NTEsInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy0yLVRlaWwtMi5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2.png\" class=\"attachment-large size-large wp-image-17851\" alt=\"\" srcset=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2.png 1000w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2-300x180.png 300w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2-768x461.png 768w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-2-Teil-2-700x420.png 700w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2 - part 1<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51a49de elementor-widget elementor-widget-image\" data-id=\"51a49de\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NTIsInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy0zLnBuZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3.png\" class=\"attachment-large size-large wp-image-17852\" alt=\"Reference KV, new KV and change in iodine contrast\" srcset=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3.png 1000w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3-300x180.png 300w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3-768x461.png 768w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-3-700x420.png 700w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4770288 elementor-widget elementor-widget-image\" data-id=\"4770288\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EN_Abbildung 4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTc4NTMsInVybCI6Imh0dHBzOlwvXC93d3cubWVkdHJvbi5jb21cL2VuXC93cC1jb250ZW50XC91cGxvYWRzXC9zaXRlc1wvMlwvMjAyNVwvMDZcL0VOX0FiYmlsZHVuZy00LnBuZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4.png\" class=\"attachment-large size-large wp-image-17853\" alt=\"\" srcset=\"https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4.png 1000w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4-300x180.png 300w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4-768x461.png 768w, https:\/\/www.medtron.com\/en\/wp-content\/uploads\/sites\/2\/2025\/06\/EN_Abbildung-4-700x420.png 700w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fa927e1 elementor-section-boxed elementor-section-height-default elementor-section-height-default parallax_section_no qode_elementor_container_no\" data-id=\"fa927e1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5c3a6a1\" data-id=\"5c3a6a1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-068ce55 elementor-widget elementor-widget-spacer\" data-id=\"068ce55\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>MEDTRON Knowledge Hub Dive deeper into contrast media injection Discover the fascinating world of contrast media injection in our MEDTRON Knowledge Hub. Immerse yourself in comprehensive information about the different types of contrast media, injection techniques and safety guidelines. Our platform offers multimedia content to&#8230;<\/p>\n","protected":false},"author":117,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-17842","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MEDTRON Knowledge Hub I MEDTRON AG<\/title>\n<meta name=\"description\" content=\"Discover the 10 Golden Rules for the Use of Contrast Media in our MEDTRON Knowledge Hub. 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