{"id":22616,"date":"2017-11-21T08:36:18","date_gmt":"2017-11-21T03:06:18","guid":{"rendered":"https:\/\/cardiophile.org\/?p=22616"},"modified":"2022-11-28T16:23:46","modified_gmt":"2022-11-28T10:53:46","slug":"positron-emission-tomography-pet-for-assessing-myocardial-viability","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/positron-emission-tomography-pet-for-assessing-myocardial-viability\/","title":{"rendered":"Positron emission tomography for assessing myocardial viability"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/--RqYHRpfTs\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Positron emission tomography for assessing myocardial viability<\/span><\/h2>\n<p>Positron emission tomography is usually taken as the gold standard for assessment of myocardial viability. PET scan with 13N ammonia gives the perfusion while 18 fluorodeoxyglucose shows the metabolic activity of the myocardium. <span style=\"color: #0000ff;\">A mismatch between perfusion and metabolism whereby underperfused region of myocardium is shown to have active metabolism, is an indicator of myocardial viability.<\/span><\/p>\n<p><strong><span style=\"color: #0000ff;\">Limitations of PET<\/span><\/strong><\/p>\n<p>The most important limitation of PET is its high cost and limited availability. It has some radiation risk when compared to echocardiography and cardiac magnetic resonance imaging.<\/p>\n<p><strong><span style=\"color: #0000ff;\">Advantages of PET<\/span><\/strong><\/p>\n<p>Important advantages of PET are that the validity is well established and it has an excellent sensitivity. PET can be done in patients with cardiac implantable electronic devices, while CMR is not suitable in that situation. Compared to single photon emission computed tomography, PET has a better spatial and temporal resolution with better quality of pictures and less radiation risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Positron emission tomography (PET) is usually taken as the gold standard for assessment of myocardial viability. A mismatch between perfusion and metabolism whereby underperfused region of myocardium is shown to have active metabolism, is an indicator of myocardial viability.<\/p>\n","protected":false},"author":1,"featured_media":22618,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-22616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-positron-emission-tomography"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Positron emission tomography (PET) gold standard for myocardial viability.<\/title>\n<meta name=\"description\" content=\"Positron emission tomography (PET) is usually taken as the gold standard for assessment of myocardial viability - low perfusion with active metabolism.\" \/>\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\/positron-emission-tomography-pet-for-assessing-myocardial-viability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Positron emission tomography (PET) gold standard for myocardial viability.\" \/>\n<meta property=\"og:description\" content=\"Positron emission tomography (PET) is usually taken as the gold standard for assessment of myocardial viability - low perfusion with active metabolism.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/positron-emission-tomography-pet-for-assessing-myocardial-viability\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2017-11-21T03:06:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-28T10:53:46+00:00\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Positron emission tomography for assessing myocardial viability\",\"datePublished\":\"2017-11-21T03:06:18+00:00\",\"dateModified\":\"2022-11-28T10:53:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/\"},\"wordCount\":162,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"Positron emission tomography\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/\",\"name\":\"Positron emission tomography (PET) gold standard for myocardial viability.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/positron-emission-tomography-pet-for-assessing-myocardial-viability\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2017-11-21T03:06:18+00:00\",\"dateModified\":\"2022-11-28T10:53:46+00:00\",\"description\":\"Positron emission tomography (PET) is usually taken as the gold standard for assessment of myocardial viability - 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