{"id":64392,"date":"2025-08-05T12:48:36","date_gmt":"2025-08-05T07:18:36","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=64392"},"modified":"2025-08-05T12:48:54","modified_gmt":"2025-08-05T07:18:54","slug":"how-common-is-interatrial-block","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/how-common-is-interatrial-block\/","title":{"rendered":"How common is interatrial block?"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/BjE-J5Rzo7k?si=-pAOe9DgHIYd9Wqz\" 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>\n\n<p class=\"wp-block-paragraph\">Interatrial block is not that common in the general population. In the Atherosclerosis Risk in Communities (ARIC) study involving 14,625 patients, interatrial block was detected in 0.5% at baseline and 1.3% developed interatrial block during a follow up of about 6 years. The study showed that interatrial block was associated with increased risk of atrial fibrillation with a hazard ratio of 3.09 [1]. <a href=\"https:\/\/johnsonfrancis.org\/professional\/what-is-bayes-syndrome\/\">Bayes Syndrome<\/a> is third degree interatrial block with paroxysmal supraventricular arrhythmias [2]. There is association with increased risk of ischemic stroke and cardiac death. Interatrial block has been shown to correlate directly with structural remodeling and a decrease in the absolute value of strain rate during left atrial booster pump function and early reservoir period determined using speckle tracking echocardiography [3].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>References<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"\">O&#8217;Neal WT, Zhang ZM, Loehr LR, Chen LY, Alonso A, Soliman EZ. Electrocardiographic Advanced Interatrial Block and Atrial Fibrillation Risk in the General Population. Am J Cardiol. 2016 Jun 1;117(11):1755-9. doi: 10.1016\/j.amjcard.2016.03.013. Epub 2016 Mar 18. PMID: 27072646; PMCID: PMC4898264.<\/li>\n\n\n\n<li class=\"\"><\/li>\n\n\n\n<li class=\"\">Adrian Baranchuk, Pelayo Torner, Antoni Bay\u00e9s de Luna. Bay\u00e9s Syndrome &#8211;&nbsp;What Is It?&nbsp;Circulation. 2018;137:200-202.<\/li>\n\n\n\n<li class=\"\">Lacalzada-Almeida J, Izquierdo-G\u00f3mez MM, Belleyo-Belkasem C, Barrio-Mart\u00ednez P, Garc\u00eda-Niebla J, Elosua R, Jim\u00e9nez-Sosa A, Escobar-Robledo LA, Bay\u00e9s de Luna A. Interatrial block and atrial remodeling assessed using speckle tracking echocardiography. BMC Cardiovasc Disord. 2018 Feb 21;18(1):38. doi: 10.1186\/s12872-018-0776-6. PMID: 29466939; PMCID: PMC5822665.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Interatrial block is not that common in the general population. In the Atherosclerosis Risk in Communities (ARIC) study involving 14,625 patients, interatrial block was detected in 0.5% at baseline and 1.3% developed interatrial block during a follow up of about 6 years. The study showed that interatrial block was associated with increased risk of atrial [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":64395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-64392","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>How common is interatrial block? - 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\/how-common-is-interatrial-block\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How common is interatrial block? - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Interatrial block is not that common in the general population. In the Atherosclerosis Risk in Communities (ARIC) study involving 14,625 patients, interatrial block was detected in 0.5% at baseline and 1.3% developed interatrial block during a follow up of about 6 years. The study showed that interatrial block was associated with increased risk of atrial [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/how-common-is-interatrial-block\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-05T07:18:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-05T07:18:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2025\/08\/How-common-is-Interatrial-Block.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"676\" \/>\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\\\/how-common-is-interatrial-block\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/how-common-is-interatrial-block\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"How common is interatrial block?\",\"datePublished\":\"2025-08-05T07:18:36+00:00\",\"dateModified\":\"2025-08-05T07:18:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/how-common-is-interatrial-block\\\/\"},\"wordCount\":227,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/how-common-is-interatrial-block\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/How-common-is-Interatrial-Block.jpg\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/how-common-is-interatrial-block\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/how-common-is-interatrial-block\\\/\",\"name\":\"How common is interatrial block? 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