{"id":63243,"date":"2024-04-18T11:03:22","date_gmt":"2024-04-18T05:33:22","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=63243"},"modified":"2024-04-18T13:09:54","modified_gmt":"2024-04-18T07:39:54","slug":"who-needs-a-ct-coronary-angiogram","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/","title":{"rendered":"Who Needs a CT Coronary Angiogram?"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/O_WbAfOrAo8?si=CG2-WzQbFfZhKZvl\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><br \/>\nCT coronary angiograms are increasing in popularity as a non-invasive screening test for detecting blocks in coronary arteries.<br \/>\nCoronary arteries are blood vessels supplying oxygenated blood to the heart.<br \/>\nAngiograms are images of blood vessels, usually obtained by injecting medications for contrast from body structures.<br \/>\nCT angiograms are reconstructions from multi slice CT scans following injection of contrast material into a forearm veins.<br \/>\nVeins are blood vessels returning deoxygenated blood to the heart.<br \/>\nCT coronary angiogram can be done as an outpatient test, in the X-ray department.<br \/>\nAs of now CT angiograms cannot replace conventional coronary angiography while planning procedures like balloon angioplasty.<br \/>\nBalloon angioplasty is removal of blocks from the blood vessels using slender long tubes with high pressure balloons at the tip.<br \/>\nConventional coronary angiograms are obtained by injecting medications directly into the coronary arteries and imaging them with X-ray equipment in cardiac catheterization laboratory.<br \/>\nThe dye is injected through long tubes known as catheters introduced through blood vessels at the wrist or groin.<br \/>\nThis is how a simple CT image of a blood vessel of the heart will look like in a two dimensional view.<br \/>\nOne blood vessel has been marked as LCX and is seen arising from aorta, marked as Ao, which is the largest blood vessel arising from the heart and supplying the whole body.<br \/>\nA computer software reconstructed three dimensional image will look like this.<br \/>\nHere we can see the left main coronary artery arising from the aorta and has been marked as LM.<br \/>\nTwo main branches of left main have been marked LAD and LCX.<br \/>\nThese are two major blood vessels supplying oxygenated blood to the heart.<br \/>\nA view from the right side of the heart shows the right coronary artery which has been marked as RCA.<br \/>\nThis is another major blood vessel supplying oxygenated blood to the heart.<br \/>\nSudden blockage of any of these blood vessels can cause a heart attack.<br \/>\nCT angiogram is useful in detecting major blocks in these blood vessels.<br \/>\nNow the big question, who should have a CT coronary angiogram?<br \/>\nCT coronary angiogram is useful to rule out significant blocks in in those presenting with chest pain to the emergency department.<br \/>\nBut it may not be that useful just to screen for blocks or build-up of plaques in those without any symptoms.<br \/>\nDetection of minor plaques in those persons might lead on to undue anxiety.<br \/>\nCT coronary angiogram is also useful to evaluate coronary artery bypass vein grafts and larger coronary stents.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CT coronary angiograms are increasing in popularity as a non-invasive screening test for detecting blocks in coronary arteries. Coronary arteries are blood vessels supplying oxygenated blood to the heart. Angiograms are images of blood vessels, usually obtained by injecting medications for contrast from body structures. CT angiograms are reconstructions from multi slice CT scans following [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63248,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-63243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"CT coronary angiograms are increasing in popularity as a non-invasive screening test for detecting blocks in coronary arteries. Coronary arteries are blood vessels supplying oxygenated blood to the heart. Angiograms are images of blood vessels, usually obtained by injecting medications for contrast from body structures. CT angiograms are reconstructions from multi slice CT scans following [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-18T05:33:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-18T07:39:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Who Needs a CT Coronary Angiogram?\",\"datePublished\":\"2024-04-18T05:33:22+00:00\",\"dateModified\":\"2024-04-18T07:39:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/\"},\"wordCount\":420,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Who-Needs-a-CT-Coronary-Angiogram.jpg\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/\",\"name\":\"Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Who-Needs-a-CT-Coronary-Angiogram.jpg\",\"datePublished\":\"2024-04-18T05:33:22+00:00\",\"dateModified\":\"2024-04-18T07:39:54+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#primaryimage\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Who-Needs-a-CT-Coronary-Angiogram.jpg\",\"contentUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Who-Needs-a-CT-Coronary-Angiogram.jpg\",\"width\":1200,\"height\":675},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/who-needs-a-ct-coronary-angiogram\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Who Needs a CT Coronary Angiogram?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/\",\"name\":\"All About Cardiovascular System and Disorders\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\",\"name\":\"Johnson Francis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"caption\":\"Johnson Francis\"},\"logo\":{\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\"},\"description\":\"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/author\\\/jf\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/","og_locale":"en_US","og_type":"article","og_title":"Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders","og_description":"CT coronary angiograms are increasing in popularity as a non-invasive screening test for detecting blocks in coronary arteries. Coronary arteries are blood vessels supplying oxygenated blood to the heart. Angiograms are images of blood vessels, usually obtained by injecting medications for contrast from body structures. CT angiograms are reconstructions from multi slice CT scans following [&hellip;]","og_url":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/","og_site_name":"All About Cardiovascular System and Disorders","article_published_time":"2024-04-18T05:33:22+00:00","article_modified_time":"2024-04-18T07:39:54+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg","type":"image\/jpeg"}],"author":"Johnson Francis","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Johnson Francis","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#article","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/"},"author":{"name":"Johnson Francis","@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"headline":"Who Needs a CT Coronary Angiogram?","datePublished":"2024-04-18T05:33:22+00:00","dateModified":"2024-04-18T07:39:54+00:00","mainEntityOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/"},"wordCount":420,"publisher":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg","articleSection":["General Cardiology"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/","url":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/","name":"Who Needs a CT Coronary Angiogram? - All About Cardiovascular System and Disorders","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#website"},"primaryImageOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#primaryimage"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg","datePublished":"2024-04-18T05:33:22+00:00","dateModified":"2024-04-18T07:39:54+00:00","breadcrumb":{"@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#primaryimage","url":"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg","contentUrl":"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2024\/04\/Who-Needs-a-CT-Coronary-Angiogram.jpg","width":1200,"height":675},{"@type":"BreadcrumbList","@id":"https:\/\/johnsonfrancis.org\/professional\/who-needs-a-ct-coronary-angiogram\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/johnsonfrancis.org\/professional\/"},{"@type":"ListItem","position":2,"name":"Who Needs a CT Coronary Angiogram?"}]},{"@type":"WebSite","@id":"https:\/\/johnsonfrancis.org\/professional\/#website","url":"https:\/\/johnsonfrancis.org\/professional\/","name":"All About Cardiovascular System and Disorders","description":"","publisher":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/johnsonfrancis.org\/professional\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec","name":"Johnson Francis","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","caption":"Johnson Francis"},"logo":{"@id":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g"},"description":"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal","url":"https:\/\/johnsonfrancis.org\/professional\/author\/jf\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/63243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/comments?post=63243"}],"version-history":[{"count":2,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/63243\/revisions"}],"predecessor-version":[{"id":63255,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/63243\/revisions\/63255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/media\/63248"}],"wp:attachment":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/media?parent=63243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/categories?post=63243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/tags?post=63243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}