<style id="elementor-post-dynamic-48271">.elementor-48271 .elementor-element.elementor-element-21106dfc:not(.elementor-motion-effects-element-type-background), .elementor-48271 .elementor-element.elementor-element-21106dfc > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-image:url("https://4dmedical.com/us/wp-content/uploads/sites/2/2025/09/CTVQ-Web-Banner-Image-1920x1080-2.jpg");}</style>{"id":48271,"date":"2025-09-07T19:43:49","date_gmt":"2025-09-08T03:43:49","guid":{"rendered":"https:\/\/4dmedical.com\/us\/?page_id=48271"},"modified":"2026-09-22T13:42:54","modified_gmt":"2026-09-22T21:42:54","slug":"ctvq","status":"publish","type":"page","link":"https:\/\/4dmedical.com\/us\/products\/software\/ctvq\/","title":{"rendered":"CT:VQ\u00ae"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"48271\" class=\"elementor elementor-48271\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-21106dfc elementor-section-height-min-height app-page-banner elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"21106dfc\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-29737c47\" data-id=\"29737c47\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\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-1577ae83 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1577ae83\" 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class=\"elementor-icon-list-text\">Home<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Products<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Software<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\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-160ef5d8 elementor-widget elementor-widget-heading\" data-id=\"160ef5d8\" data-element_type=\"widget\" data-e-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\">SaaS Software<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-250304f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"250304f1\" data-element_type=\"section\" data-e-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-inner-column elementor-element elementor-element-795648a5\" data-id=\"795648a5\" data-element_type=\"column\" data-e-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-c275ecd elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"c275ecd\" data-element_type=\"widget\" data-e-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\">CT:VQ\u00ae<\/h2>\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-inner-column elementor-element elementor-element-10e5dbfa\" data-id=\"10e5dbfa\" data-element_type=\"column\" data-e-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-5d84dd1a elementor-widget elementor-widget-heading\" data-id=\"5d84dd1a\" data-element_type=\"widget\" data-e-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\">Maximum CONTRAST. No INJECTIONS.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26ec449e elementor-widget elementor-widget-text-editor\" data-id=\"26ec449e\" data-element_type=\"widget\" data-e-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<h5><i>Non\u2011contrast ventilation and perfusion from standard chest CTs<\/i><\/h5>\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-71e53b41 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"71e53b41\" data-element_type=\"widget\" data-e-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>CT:VQ\u00ae is the world\u2019s first non\u2011contrast post\u2011processing technology that transforms routine, chest CTs into quantitative, lobar ventilation (V) and perfusion (Q) maps\u2014without injected contrast or radioisotopes. Delivered via software-as-a-service, results are returned directly into the radiology workflow for interpretation alongside the source CT images.<\/p><p><em>CT:VQ is FDA-cleared.<\/em><\/p><p><i>Eligible for reimbursement in the US under Category III CPT codes.<\/i><\/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-beb35ac elementor-widget__width-auto elementor-widget elementor-widget-eael-creative-button\" data-id=\"beb35ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"https:\/\/4dmedical.com\/us\/about\/trial-ctvq\/\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Trial CT:VQ\u00ae Today<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#0CBAB4\"><\/ellipse><path d=\"M19.7262 14.989L14.6256 10.0389L14.439 20.0493L19.7262 14.989Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c714a6 elementor-widget__width-auto elementor-widget elementor-widget-eael-creative-button\" data-id=\"7c714a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/2026\/02\/MKTG-00011v1_CTVQ-Contrast-Free-Breakthrough-WhitePaper.pdf\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">White Paper Download<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#0CBAB4\"><\/ellipse><path d=\"M19.7262 14.989L14.6256 10.0389L14.439 20.0493L19.7262 14.989Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \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\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-4781b96 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4781b96\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0da2cdd\" data-id=\"0da2cdd\" data-element_type=\"column\" data-e-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-18c04a3 elementor-widget elementor-widget-heading\" data-id=\"18c04a3\" data-element_type=\"widget\" data-e-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\">Designed for you<\/h2>\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-7efef53\" data-id=\"7efef53\" data-element_type=\"column\" data-e-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-0d5afa0 elementor-widget elementor-widget-text-editor\" data-id=\"0d5afa0\" data-element_type=\"widget\" data-e-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<ul>\n \t<li><strong>Pulmonologists and Interventional Pulmonologists: <\/strong>Obtain regional V\/Q to support PE workups, CTEPH assessment, regional detection of V\/Q abnormalities, BLVR planning, pre\u2011op assessment, and longitudinal monitoring in a single-page report designed to support patient communication, alongside the radiology report.<\/li>\n<\/p>\n \t<li><strong>Radiologists: \u00a0<\/strong>Add functional interpretation to non\u2011contrast chest CTs with structured, quantitative outputs delivered to PACS with DICOM Structured Reporting to minimize workflow while maximizing clinical benefits.<\/li>\n<\/p>\n \t<li><strong>Hospital and Imaging Administrators: <\/strong> Expand access to V\/Q imaging across existing CT infrastructure with no new hardware and streamlined scheduling. Reduce operating costs and gain reimbursement.<\/li>\n<\/ul>\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-3995693 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3995693\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d90eaa7\" data-id=\"d90eaa7\" data-element_type=\"column\" data-e-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-3c651a4 elementor-widget elementor-widget-heading\" data-id=\"3c651a4\" data-element_type=\"widget\" data-e-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\">Key Advantages<\/h2>\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-645f77a\" data-id=\"645f77a\" data-element_type=\"column\" data-e-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-349689f elementor-widget elementor-widget-text-editor\" data-id=\"349689f\" data-element_type=\"widget\" data-e-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<ul><li style=\"list-style-type: none;\"><ul><li><strong>No Injections: Non\u2011Contrast CT only\u2014<\/strong>no IV access, no radioisotopes, no contrast agents.<\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li><strong>Accessible at Scale: <\/strong>Runs on the approximately 14,500 CT scanners installed across the U.S.\u2014bringing V\/Q to sites without nuclear medicine capacity or where capacity is constrained.<\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li><strong>Patient\u2011 and Operations\u2011Friendly: <\/strong>Single CT appointment; simplified scheduling; avoids contrast media, IV placement, and related consumables; supports review of prior CTs to help avoid repeat imaging. comparisons between lobe size, ventilation, perfusion, and total right\u2013left lungs<\/li><\/ul><\/li><\/ul>\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-9e30f9f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9e30f9f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9f53ab1\" data-id=\"9f53ab1\" data-element_type=\"column\" data-e-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-e0de44a elementor-widget elementor-widget-heading\" data-id=\"e0de44a\" data-element_type=\"widget\" data-e-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\">Breakthrough Features<\/h2>\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-f8982a5\" data-id=\"f8982a5\" data-element_type=\"column\" data-e-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-7bed2c3 elementor-widget elementor-widget-text-editor\" data-id=\"7bed2c3\" data-element_type=\"widget\" data-e-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<ul>\n<li>\n<p><strong>Color V and Q overlays registered to CT anatomy<\/strong><\/p>\n<\/li>\n<li>\n<p><strong>Quantitative Metrics<\/strong><\/p>\n<\/li>\n<li>\n<p><strong>Total Lung Volumes <\/strong>(inspiratory, expiratory, and delta)<\/p>\n<\/li>\n<li>\n<p><strong>Lobar Distribution: <\/strong>comparisons between lobe size, ventilation, perfusion, and total right\u2013left lungs<\/p><\/li>\n<\/ul>\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-4840920 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4840920\" data-element_type=\"section\" data-e-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-f82d503\" data-id=\"f82d503\" data-element_type=\"column\" data-e-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-26d02d8 elementor-widget elementor-widget-heading\" data-id=\"26d02d8\" data-element_type=\"widget\" data-e-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\"><div><span style=\"font-family: Galano, sans-serif;font-size: 1.75rem;font-weight: 400;white-space: pre-wrap;display: inline !important;float: none\">The Non-Contrast CT:VQ\u00ae Value-Added Solution<\/span><span style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-size: 1.75rem\"><\/span><\/div><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c71d61 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4c71d61\" data-element_type=\"widget\" data-e-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<div id=\"pageContainer2\" class=\"_page_x434h_98\" role=\"presentation\" data-index=\"1\" aria-label=\"Page 2\"><p style=\"text-align: center;\">CT:VQ\u00ae brings non-contrast functional lung imaging to routine CT and integrates with existing PACS, expanding access even where nuclear imaging or contrast use isn\u2019t available. Its patient-facing report delivers clear, rapid ventilation and perfusion insights\u2014lung volumes, lobar distribution, and representative images.<\/p><div class=\"_linksLayer_x434h_40\">\u00a0<\/div><\/div>\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-b968abb elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"b968abb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;navigation&quot;:&quot;dots&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 2\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"b968abb\" data-elementor-lightbox-title=\"CT:VQ - Value-Add\" data-elementor-lightbox-description=\"4DMedical CT:VQ\u00ae - Value-Add to Routine Chest CTs\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDgyODAsInVybCI6Imh0dHBzOlwvXC80ZG1lZGljYWwuY29tXC91c1wvd3AtY29udGVudFwvdXBsb2Fkc1wvc2l0ZXNcLzJcLzIwMjVcLzA5XC9DVFZRLVZhbHVlLUFkZC5qcGciLCJzbGlkZXNob3ciOiJiOTY4YWJiIn0%3D\" href=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/sites\/2\/2025\/09\/CTVQ-Value-Add.jpg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/sites\/2\/2025\/09\/CTVQ-Value-Add-768x432.jpg\" alt=\"4DMedical CT:VQ\u00ae - Value-Add to Routine Chest CTs\" \/><figcaption class=\"elementor-image-carousel-caption\">4DMedical CT:VQ\u00ae - Value-Add to Routine Chest CTs<\/figcaption><\/figure><\/a><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 2\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"b968abb\" data-elementor-lightbox-title=\"CT:VQ - Report Highlights\" data-elementor-lightbox-description=\"4DMedical CT:VQ\u00ae - Report Highlights\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDgyNzksInVybCI6Imh0dHBzOlwvXC80ZG1lZGljYWwuY29tXC91c1wvd3AtY29udGVudFwvdXBsb2Fkc1wvc2l0ZXNcLzJcLzIwMjVcLzA5XC9DVFZRLVJlcG9ydC1IaWdobGlnaHRzLmpwZyIsInNsaWRlc2hvdyI6ImI5NjhhYmIifQ%3D%3D\" href=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/sites\/2\/2025\/09\/CTVQ-Report-Highlights.jpg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/sites\/2\/2025\/09\/CTVQ-Report-Highlights-768x432.jpg\" alt=\"4DMedical CT:VQ\u00ae - Report Highlights\" \/><figcaption class=\"elementor-image-carousel-caption\">4DMedical CT:VQ\u00ae - Report Highlights<\/figcaption><\/figure><\/a><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\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-dc6ea8a elementor-widget elementor-widget-heading\" data-id=\"dc6ea8a\" data-element_type=\"widget\" data-e-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\">CT:VQ\u00ae\u2014Non\u2011contrast Functional Lung Imaging, No Injections<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68b7a5b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"68b7a5b\" data-element_type=\"widget\" data-e-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 style=\"text-align: center;\">Add functional insights to routine chest CT using existing scanners and PACS\u2014eliminating contrast agents and supporting broader, patient\u2011friendly access.<\/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-6d5e7a46 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d5e7a46\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fdcb945\" data-id=\"4fdcb945\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-22a4d142 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"22a4d142\" data-element_type=\"section\" data-e-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-inner-column elementor-element elementor-element-53b026b8\" data-id=\"53b026b8\" data-element_type=\"column\" data-e-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-2f33902c elementor-widget elementor-widget-heading\" data-id=\"2f33902c\" data-element_type=\"widget\" data-e-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\">Clinical Evaluation<\/h2>\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-inner-column elementor-element elementor-element-779c5903\" data-id=\"779c5903\" data-element_type=\"column\" data-e-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-c31ddbd elementor-widget elementor-widget-heading\" data-id=\"c31ddbd\" data-element_type=\"widget\" data-e-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\">CT:VQ\u00ae<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72bbf479 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"72bbf479\" data-element_type=\"widget\" data-e-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 style=\"font-weight: 400;\"><strong>CT:VQ\u00ae was evaluated using three complementary approaches:<\/strong> <i>Data on file, 4DMedical<\/i><\/p><p><strong>1. Quantitative correlation with SPECT V\/Q <\/strong>(standalone device performance)<\/p><p><i><strong>Additional Analysis:<\/strong> CT:VQ\u00ae perfusion heterogeneity metrics showed a stronger association with DLCO than comparable SPECT measures in the submission dataset (r\u00b2: 0.557 vs 0.380).<\/i><\/p><p>\u00a0<\/p><p><strong>2. Reader performance study<\/strong><\/p><ol><li style=\"list-style-type: none;\"><ol><li style=\"list-style-type: none;\"><ol><li style=\"list-style-type: none;\"><ul><li>Expert radiologists and nuclear medicine physicians graded regional function on CT:VQ\u00ae and SPECT V\/Q using a standardized 5\u2011point scale.<\/li><li>Agreement with SPECT V\/Q was rated good to excellent across all lung zones.<\/li><li>Kendall\u2019s tau by zone (all readers): 0.702\u20130.765, exceeding the pre-specified 0.40 target for the submission.<\/li><\/ul><\/li><\/ol><\/li><\/ol><\/li><\/ol><p><strong>\u00a0<\/strong><\/p><p><strong>3. Case\u2011based review<\/strong><\/p><ol><li style=\"list-style-type: none;\"><ol><li style=\"list-style-type: none;\"><ul><li>Illustrative cases demonstrated clinical interpretability across multiple conditions, highlighting areas of agreement and explaining discrepancies (e.g., SPECT ventilation limited by radiotracer deposition artifacts).<\/li><\/ul><\/li><\/ol><\/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-55fce8ea elementor-widget elementor-widget-text-editor\" data-id=\"55fce8ea\" data-element_type=\"widget\" data-e-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>Get Started<\/h3><ul><li><strong>Request a clinical demo and sample report<\/strong><\/li><\/ul><ul><li><strong>Submit a test case from your PACS<\/strong><\/li><\/ul><ul><li><strong>Plan a pilot across your CT fleet<\/strong><\/li><\/ul>\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\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-545f3e48 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"545f3e48\" data-element_type=\"section\" data-e-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-6c27e582\" data-id=\"6c27e582\" data-element_type=\"column\" data-e-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-31205714 elementor-widget elementor-widget-template\" data-id=\"31205714\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"section\" data-elementor-id=\"7656\" class=\"elementor elementor-7656\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-109dfd3a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"109dfd3a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-7e37a711\" data-id=\"7e37a711\" data-element_type=\"column\" data-e-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-2c14eb1e elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"2c14eb1e\" data-element_type=\"widget\" data-e-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\">What's new at\n4DMedical<\/h2>\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-25966d2b\" data-id=\"25966d2b\" data-element_type=\"column\" data-e-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-34ba6009 elementor-widget elementor-widget-text-editor\" data-id=\"34ba6009\" data-element_type=\"widget\" data-e-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>Get the latest news about respiratory imaging and ventilation analysis<\/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-21097258 elementor-button-align-start elementor-mobile-button-align-end app-form-btn-v2 elementor-tablet-button-align-end elementor-widget elementor-widget-form\" data-id=\"21097258\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;33&quot;,&quot;button_width_tablet&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" id=\"4dm_newsletter_form\" name=\"Newsletter Form\" aria-label=\"Newsletter Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"7656\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"21097258\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Unseen Enemies: The Role of Indoor Airborne Particulates in Lung Disease - 4DMedical US\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"20170\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-33 elementor-md-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tFirst Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field 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