{"id":1589,"date":"2009-04-01T03:17:39","date_gmt":"2009-04-01T03:17:39","guid":{"rendered":"http:\/\/cardiophile.info\/?p=1589"},"modified":"2023-12-30T09:36:02","modified_gmt":"2023-12-30T04:06:02","slug":"criteria-for-right-atrial-enlargement-on-ecg","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/criteria-for-right-atrial-enlargement-on-ecg\/","title":{"rendered":"Criteria for right atrial enlargement on ECG"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/0yNjjmS-owo?si=0iEyVplr47G5Sj1C\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Criteria for right atrial enlargement on ECG<\/span><\/h2>\n<p><strong>Criteria for right atrial enlargement on ECG:<\/strong><\/p>\n<ol>\n<li>Tall sharp P waves in lead II measuring 0.25 mV (2.5 mm) or more<\/li>\n<li style=\"font-weight: normal;\">Sharp initial deflection of P wave in V1 of 0.1 mV (1 mm) or more<\/li>\n<li style=\"font-weight: normal;\">Sharp intrinsicoid deflection of P wave (atrial intrinsicoid deflection) is suggestive of right atrial enlargement even in the presence of a prominent negative deflection in V1 (<span style=\"color: #0000ff;\">pseudo left atrial enlargement pattern<\/span>, often seen in atrial septal defect)<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Criteria for right atrial enlargement on ECG: Tall sharp P waves in lead II measuring 0.25 mV or more; sharp initial deflection of P wave in V1 of 0.1 mV or more<\/p>\n","protected":false},"author":1,"featured_media":37771,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-1589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecg-electrophysiology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Criteria for right atrial enlargement on ECG<\/title>\n<meta name=\"description\" content=\"Criteria for right atrial enlargement on ECG: Tall sharp P waves in lead II measuring 0.25 mV or more; sharp initial deflection of P wave in V1 of 0.1 mV or more\" \/>\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\/criteria-for-right-atrial-enlargement-on-ecg\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Criteria for right atrial enlargement on ECG\" \/>\n<meta property=\"og:description\" content=\"Criteria for right atrial enlargement on ECG: Tall sharp P waves in lead II measuring 0.25 mV or more; sharp initial deflection of P wave in V1 of 0.1 mV or more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/criteria-for-right-atrial-enlargement-on-ecg\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2009-04-01T03:17:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-30T04:06:02+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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Criteria for right atrial enlargement on ECG\",\"datePublished\":\"2009-04-01T03:17:39+00:00\",\"dateModified\":\"2023-12-30T04:06:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/\"},\"wordCount\":83,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"ECG \\\/ Electrophysiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/\",\"name\":\"Criteria for right atrial enlargement on ECG\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/criteria-for-right-atrial-enlargement-on-ecg\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2009-04-01T03:17:39+00:00\",\"dateModified\":\"2023-12-30T04:06:02+00:00\",\"description\":\"Criteria for right atrial enlargement on ECG: Tall sharp P waves in lead II measuring 0.25 mV or more; 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