{"id":63704,"date":"2024-12-09T06:07:04","date_gmt":"2024-12-09T00:37:04","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=63704"},"modified":"2024-12-09T06:07:05","modified_gmt":"2024-12-09T00:37:05","slug":"cardiology-mcq-echo-basics","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/cardiology-mcq-echo-basics\/","title":{"rendered":"Cardiology MCQ: Echo Basics"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/27OmJJqrjIU?si=OkVVEk3SNB2vj9dF\" 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\">Adult transthoracic echocardiography uses frequencies in the range of:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A. 1-2 MHz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B. 2.5-5 MHz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C. 5.5-6.5 MHz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D. 7-10 MHz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Correct answer: B. 2.5-5 MHz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Higher frequency like 7-10 MHz can be used in pediatric imaging and in transesophageal echocardiography. Higher frequencies give better resolution, but penetration is poor. In an adult where the cardiac structures are at a higher distance for transthoracic echocardiography, lower frequency is preferred. In infants cardiac structures are nearer and smaller, making 7-10 MHz better for resolution and imaging is possible because of the shorter distance involved. Same applies to transesophageal echocardiography where heart is just in front of the esophagus. Modern broadband transducers allow us to change frequency with the same probe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Reference:<\/strong> Braunwald&#8217;s Heart Disease, 12<sup>th<\/sup> Edition, Page 197<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adult transthoracic echocardiography uses frequencies in the range of: A. 1-2 MHz B. 2.5-5 MHz C. 5.5-6.5 MHz D. 7-10 MHz Correct answer: B. 2.5-5 MHz Higher frequency like 7-10 MHz can be used in pediatric imaging and in transesophageal echocardiography. Higher frequencies give better resolution, but penetration is poor. In an adult where the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-63704","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>Cardiology MCQ: Echo Basics - 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\/cardiology-mcq-echo-basics\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cardiology MCQ: Echo Basics - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Adult transthoracic echocardiography uses frequencies in the range of: A. 1-2 MHz B. 2.5-5 MHz C. 5.5-6.5 MHz D. 7-10 MHz Correct answer: B. 2.5-5 MHz Higher frequency like 7-10 MHz can be used in pediatric imaging and in transesophageal echocardiography. Higher frequencies give better resolution, but penetration is poor. 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