{"id":21792,"date":"2016-12-11T04:33:37","date_gmt":"2016-12-10T23:03:37","guid":{"rendered":"https:\/\/cardiophile.org\/?p=21792"},"modified":"2022-11-19T07:14:04","modified_gmt":"2022-11-19T01:44:04","slug":"small-muscular-ventricular-septal-defect-echocardiogram","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/small-muscular-ventricular-septal-defect-echocardiogram\/","title":{"rendered":"Small muscular ventricular septal defect &#8211; echocardiogram"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZK_Kq2pbLlc\" 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;\">Small muscular ventricular septal defect &#8211; echocardiogram<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-32507 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2016\/12\/VSD-Color-Jet-1.jpg\" alt=\"Small muscular ventricular septal defect - echocardiogram\" width=\"1630\" height=\"678\">Small muscular ventricular septal defect &#8211; echocardiogram: Echocardiogram in apical 5 chamber view shows the mosaic colour jet of a small ventricular septal defect (VSD) near the apex. The cardiac chambers are not dilated. The small defect is difficult to see on two dimensional echocardiography, though it is easily detected clinically with a pan systolic murmur and Doppler echo documents the high velocity jet across the VSD. LV: Left ventricle; RV: right ventricle; Ao: Aorta; LA: Left ventricle; Pulm vein: Pulmonary vein.<br><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-21794\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2016\/12\/VSD-Jet.jpg\" alt=\"\" width=\"792\" height=\"475\"><br>Continuous wave (CW) Doppler interrogation shows the inter-ventricular pressure gradient as 81 mm Hg, which is consistent with a restrictive VSD. Small muscular VSDs like this are likely to close spontaneously on follow up. They will not cause pulmonary hypertension or heart failure and usually have good prognosis unless complicated by <a href=\"https:\/\/johnsonfrancis.org\/professional\/what-are-the-sites-of-vegetations-in-vsd-with-endocarditis\/\">infective endocarditis<\/a>. Natural history studies have shown that small muscular ventricular septal defects have a high likelihood of spontaneous closure. Spontaneous closure occurred in 76% cases by 12 months of age in one study, but apical defects tended to have a higher persistent patency rate than defects in other locations (p&lt;0.05) [1].<\/p>\n<p>Long term course of 600 small and moderate muscular ventricular septal defects diagnosed over a six year period has been reported by Erik L, Shelby Kutty and associates [2]. They found that though pediatric cardiology follow up was recommended, these did not result in any significant active medical or surgical management. Of the 316 follow up visits recommended, only 259 happened, though there were 37 other unplanned follow up visits. Eighty five percent of this cohort had small muscular VSD on initial echocardiogram.<\/p>\n<p><strong><span style=\"color: #0000ff;\">References<\/span><\/strong><\/p>\n<ol>\n<li>Hiraishi S, Agata Y, Nowatari M, Oguchi K, Misawa H, Hirota H, Fujino N, Horiguchi Y, Yashiro K, Nakae S. Incidence and natural course of trabecular ventricular septal defect: two-dimensional echocardiography and color Doppler flow imaging study. J Pediatr. 1992 Mar;120(3):409-15.<\/li>\n<li>Frandsen EL, House AV, Xiao Y, Danford DA, Kutty S. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4289403\/\">Subspecialty surveillance of long-term course of small and moderate muscular ventricular septal defect: heterogenous practices, low yield<\/a>. BMC Pediatr. 2014 Nov 4;14:282.<\/li>\n<\/ol>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Small muscular ventricular septal defect &#8211; echocardiogram Small muscular ventricular septal defect &#8211; echocardiogram: Echocardiogram in apical 5 chamber view shows the mosaic colour jet of a small ventricular septal defect (VSD) near the apex. The cardiac chambers are not dilated. The small defect is difficult to see on two dimensional echocardiography, though it is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":32507,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[25,8],"tags":[298,881,1015,1286,1700,3623,4172,4211],"class_list":["post-21792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-echocardiogram-library-echocardiogram-library","category-echocardiogram-library","tag-apical-5-chamber-view","tag-continuous-wave-doppler","tag-cw-doppler","tag-echocardiogram","tag-high-velocity-jet","tag-small-ventricular-septal-defect-vsd","tag-ventricular-septal-defect","tag-vsd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Small muscular ventricular septal defect - echocardiogram - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Small muscular ventricular septal defect - echocardiogram: Upper image shows colour jet small VSD near the apex, Lower image shows CW high velocity VSD jet.\" \/>\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\/small-muscular-ventricular-septal-defect-echocardiogram\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Small muscular ventricular septal defect - echocardiogram - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Small muscular ventricular septal defect - echocardiogram: Upper image shows colour jet small VSD near the apex, Lower image shows CW high velocity VSD jet.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/small-muscular-ventricular-septal-defect-echocardiogram\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2016-12-10T23:03:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-19T01:44:04+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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/small-muscular-ventricular-septal-defect-echocardiogram\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/small-muscular-ventricular-septal-defect-echocardiogram\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Small muscular ventricular septal defect &#8211; 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