{"id":56434,"date":"2022-11-03T14:50:25","date_gmt":"2022-11-03T09:20:25","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=56434"},"modified":"2022-11-03T14:58:17","modified_gmt":"2022-11-03T09:28:17","slug":"what-is-the-commonest-site-of-rvot-obstruction-in-tof","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\/","title":{"rendered":"What is the commonest site of RVOT obstruction in TOF?"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/RG6cZDau2m8\" 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;\">What is the commonest site of RVOT obstruction in TOF?<\/span><\/h2>\n<p>What is the commonest site of right ventricular outflow tract obstruction in tetralogy of Fallot?&nbsp;The commonest site of right ventricular outflow obstruction in Tetralogy of Fallot is&nbsp; infundibular (subvalvar) pulmonary stenosis. Obstruction can be at other locations like valvar pulmonary stenosis, supravalvar pulmonary stenosis and annular pulmonary stenosis. There could be a combination of these lesions as well. Infundibular spasm with dynamic worsening of right ventricular outflow obstruction is thought to be one of the pathophysiological mechanisms of cyanotic spells in Tetralogy of Fallot. Immature respiratory center has an important role in the tachypnea leading on to the spell.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the commonest site of RVOT obstruction in TOF? What is the commonest site of right ventricular outflow tract obstruction in tetralogy of Fallot?&nbsp;The commonest site of right ventricular outflow obstruction in Tetralogy of Fallot is&nbsp; infundibular (subvalvar) pulmonary stenosis. Obstruction can be at other locations like valvar pulmonary stenosis, supravalvar pulmonary stenosis and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":56435,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-56434","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>What is the commonest site of RVOT obstruction in TOF? - 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\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the commonest site of RVOT obstruction in TOF? - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"What is the commonest site of RVOT obstruction in TOF? What is the commonest site of right ventricular outflow tract obstruction in tetralogy of Fallot?&nbsp;The commonest site of right ventricular outflow obstruction in Tetralogy of Fallot is&nbsp; infundibular (subvalvar) pulmonary stenosis. Obstruction can be at other locations like valvar pulmonary stenosis, supravalvar pulmonary stenosis and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-03T09:20:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-03T09:28:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2022\/11\/What-is-the-commonest-site-of-RVOT-obstruction-in-TOF.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1203\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"What is the commonest site of RVOT obstruction in TOF?\",\"datePublished\":\"2022-11-03T09:20:25+00:00\",\"dateModified\":\"2022-11-03T09:28:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/\"},\"wordCount\":122,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/What-is-the-commonest-site-of-RVOT-obstruction-in-TOF.jpg\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-is-the-commonest-site-of-rvot-obstruction-in-tof\\\/\",\"name\":\"What is the commonest site of RVOT obstruction in TOF? 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