{"id":140195,"date":"2024-09-18T17:50:05","date_gmt":"2024-09-18T17:50:05","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=140195"},"modified":"2024-09-18T17:50:07","modified_gmt":"2024-09-18T17:50:07","slug":"while-percussing-the-borders-of-the-heart-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/09\/18\/while-percussing-the-borders-of-the-heart-2\/","title":{"rendered":"While percussing the borders of the heart"},"content":{"rendered":"\n<p>While percussing the borders of the heart, the nurse picks up an area of dullness beginning at the 5th left intercostal space and moving upward to the 2nd left intercostal space at the sternal border. What do these findings indicate?<\/p>\n\n\n\n<p>A.<br>Expected finding.<\/p>\n\n\n\n<p>B.<br>Cardiac atrophy.<\/p>\n\n\n\n<p>C.<br>Benign variation.<\/p>\n\n\n\n<p>D.<br>Cardiac enlargement.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The correct answer is <strong>D. Cardiac enlargement<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>When percussing the borders of the heart, a nurse is essentially assessing the size and location of the heart by identifying areas of dullness, which correspond to the underlying cardiac structures. The heart is located in the mediastinum, and because it is denser than air-filled lungs, it produces a dull sound upon percussion. Normal heart borders begin at the right sternal border and move to the left, usually ending around the midclavicular line in the 5th left intercostal space.<\/p>\n\n\n\n<p>In this scenario, the nurse detects dullness starting from the 5th left intercostal space and extending upward to the 2nd left intercostal space along the sternal border. This finding suggests that the heart size is larger than expected, indicating <strong>cardiac enlargement<\/strong>.<\/p>\n\n\n\n<p>Cardiac enlargement, also known as cardiomegaly, can occur due to several conditions:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hypertension<\/strong>: Chronic high blood pressure forces the heart to work harder, leading to hypertrophy or enlargement of the heart muscle.<\/li>\n\n\n\n<li><strong>Heart valve disease<\/strong>: Defects in the heart valves can cause the heart to enlarge as it compensates for inefficient pumping.<\/li>\n\n\n\n<li><strong>Congestive heart failure (CHF)<\/strong>: This condition results in the heart enlarging as it weakens and cannot pump blood efficiently.<\/li>\n\n\n\n<li><strong>Coronary artery disease<\/strong>: Reduced blood flow to the heart muscles can lead to ischemia, resulting in an enlarged heart.<\/li>\n\n\n\n<li><strong>Cardiomyopathy<\/strong>: Diseases of the heart muscle itself can cause the heart to enlarge.<\/li>\n<\/ol>\n\n\n\n<p>Percussion helps identify abnormal heart borders, and enlargement is often confirmed with further diagnostic tools like echocardiography or chest X-rays. Recognizing early signs of cardiomegaly is critical for timely intervention and management.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>While percussing the borders of the heart, the nurse picks up an area of dullness beginning at the 5th left intercostal space and moving upward to the 2nd left intercostal space at the sternal border. What do these findings indicate? A.Expected finding. B.Cardiac atrophy. C.Benign variation. D.Cardiac enlargement. The correct answer and Explanation is : [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-140195","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/140195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=140195"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/140195\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=140195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=140195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=140195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}