{"id":64081,"date":"2025-07-22T19:35:08","date_gmt":"2025-07-22T14:05:08","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=64081"},"modified":"2025-07-22T19:35:11","modified_gmt":"2025-07-22T14:05:11","slug":"what-causes-auscultatory-gap-during-blood-pressure-measurement","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/what-causes-auscultatory-gap-during-blood-pressure-measurement\/","title":{"rendered":"What causes auscultatory gap during blood pressure measurement?"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hZThKv3t9Vo?si=tOJfBEDBX8JwaMJQ\" 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\">Auscultatory gap is the absence of Korotkoff sounds while recording blood pressure for a short period. If the cuff pressure is not raised well above the palpatory blood pressure during recording, auscultatory gap may cause recording of a falsely low systolic blood pressure. Though the exact cause of auscultatory gap is not well known, studies have attempted to find correlations. A study involving 168 hypertensive patients who were otherwise healthy and not on medications gives us some insight [1]. Auscultatory gap was present in 21% of patients in the study. Older age, female gender and increased arterial stiffness were associated with auscultatory gap. There was a two fold increased prevalence of atherosclerotic plaques in those with auscultatory gap. Blood pressure levels, left ventricular structure and function as well as serum cholesterol and history of smoking were similar in both groups. Association with carotid atherosclerosis may have prognostic significance in those with auscultatory gap. Of course, the findings from this small study needs confirmation from larger prospective studies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Reference<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"\">Cavallini MC, Roman MJ, Blank SG, Pini R, Pickering TG, Devereux RB. Association of the auscultatory gap with vascular disease in hypertensive patients. Ann Intern Med. 1996 May 15;124(10):877-83. doi: 10.7326\/0003-4819-124-10-199605150-00003. PMID: 8610916.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Auscultatory gap is the absence of Korotkoff sounds while recording blood pressure for a short period. If the cuff pressure is not raised well above the palpatory blood pressure during recording, auscultatory gap may cause recording of a falsely low systolic blood pressure. Though the exact cause of auscultatory gap is not well known, studies [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":64084,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-64081","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 causes auscultatory gap during blood pressure measurement? - 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-causes-auscultatory-gap-during-blood-pressure-measurement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What causes auscultatory gap during blood pressure measurement? - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Auscultatory gap is the absence of Korotkoff sounds while recording blood pressure for a short period. If the cuff pressure is not raised well above the palpatory blood pressure during recording, auscultatory gap may cause recording of a falsely low systolic blood pressure. Though the exact cause of auscultatory gap is not well known, studies [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/what-causes-auscultatory-gap-during-blood-pressure-measurement\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-22T14:05:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-22T14:05:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2025\/07\/What-causes-auscultatory-gap-during-blood-pressure-measurement.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"677\" \/>\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\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"What causes auscultatory gap during blood pressure measurement?\",\"datePublished\":\"2025-07-22T14:05:08+00:00\",\"dateModified\":\"2025-07-22T14:05:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/\"},\"wordCount\":208,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/What-causes-auscultatory-gap-during-blood-pressure-measurement.jpg\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/what-causes-auscultatory-gap-during-blood-pressure-measurement\\\/\",\"name\":\"What causes auscultatory gap during blood pressure measurement? 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