{"id":3142,"date":"2016-03-23T15:16:19","date_gmt":"2016-03-23T07:16:19","guid":{"rendered":"https:\/\/www.sozocardiology.com\/?page_id=3142"},"modified":"2025-12-24T12:39:11","modified_gmt":"2025-12-24T04:39:11","slug":"ct-coronary-calcium-scoring","status":"publish","type":"page","link":"https:\/\/www.sozocardiology.com\/zh\/heart-investigations\/ct-coronary-calcium-scoring\/","title":{"rendered":"CT \u51a0\u72b6\u52a8\u8109\u9499\u5316\u8bc4\u5206"},"content":{"rendered":"<script type=\"text\/javascript\">jQuery(function() { _initLayerSlider( '#layerslider_4_1999fqvyjmsl3', {createdWith: '6.10.0', sliderVersion: '6.10.0', pauseOnHover: 'enabled', skin: 'v6', sliderFadeInDuration: 350, useSrcset: true, skinsPath: 'https:\/\/www.sozocardiology.com\/wp-content\/plugins\/LayerSlider\/assets\/static\/layerslider\/skins\/', performanceMode: true}); });<\/script><div id=\"layerslider_4_1999fqvyjmsl3\"  class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1920px;height:1024px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"bgsize:contain;duration:3000;transitionduration:1000;\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1002\" src=\"https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring.jpg 1920w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring-300x157.jpg 300w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring-1024x534.jpg 1024w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring-768x401.jpg 768w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/calcium_scoring-1536x802.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/div><div class=\"ls-slide\" data-ls=\"bgsize:contain;duration:3000;transitionduration:1000;\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"948\" src=\"https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3.jpg 1920w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3-300x148.jpg 300w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3-1024x506.jpg 1024w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3-768x379.jpg 768w, https:\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/06\/ct_coronary_angiogram3-1536x758.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/div><\/div>\n<p><em>\u4e2d\u6587\u7ffb\u8bd1\u7a0d\u540e\u63d0\u4f9b<\/em><\/p>\n<h2 dir=\"ltr\" style=\"\">Definition<\/h2>\n<p dir=\"ltr\">A Coronary CT Calcium Scoring is a simple, non-invasive test that takes only a few seconds to perform on an outpatient basis. Using state-of-the-art computerized tomography (CT) methods, it can detect calcium deposits in atherosclerotic plaques in the arteries of the heart. These calcium deposits appears years before development of heart disease symptoms like chest pain and shortness of breath.<\/p>\n<p dir=\"ltr\" style=\"\">It is a very useful tool used by your cardiologist to determine if there is coronary artery disease and assess if there is an increased risk of a cardiac event in the future.&nbsp;<\/p>\n<p dir=\"ltr\" style=\"\">\n<h2 dir=\"ltr\" style=\"\">What are the benefits of this test?<\/h2>\n<h2 dir=\"ltr\" style=\"\">This test is used to:<\/h2>\n<ol>\n<li style=\"\"><span style=\"\">1<\/span><span style=\"\"><strong>Diagnose asymptomatic coronary artery disease<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>Presence of calcium deposits indicate the presence of plaques in the coronary arteries, which increases the risk of angina (chest pain) and cardiac events (eg heart attack)<\/li>\n<\/ul>\n<ol>\n<li style=\"\"><span style=\"\">2<\/span><span style=\"\"><strong>Assess the risk of future cardiovascular events<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"\">The greater the amount of calcium deposited in the heart arteries, indicating more coronary artherosclerosis, portends a greater likelihood of significant narrowing somewhere in the heart arteries and a higher risk of future cardiovascular events.<\/li>\n<\/ul>\n<ol>\n<li style=\"\"><span style=\"\">3<\/span><span style=\"\"><strong>Guide medical therapy for coronary artery disease<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>The higher the calcium score, the greater the need for medical therapy (eg aspirin, statin therapy) and aggressive treatment of the risk factors that lead to the development of the heart blockages.<\/li>\n<li dir=\"ltr\">Your physician will use the calcium score to guide the lifestyle changes and medications needed to retard the progression of disease and development of symptomatic coronary artery disease.<\/li>\n<\/ul>\n<p><span><img decoding=\"async\" alt=\"\" data-id=\"3578\" width=\"669\" data-init-width=\"1379\" height=\"550\" data-init-height=\"1133\" title=\"coronary_calcium_scoring_singapore\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2020\/05\/coronary_calcium_scoring_singapore.jpg\" data-width=\"669\" data-height=\"550\" style=\"aspect-ratio: auto 1379 \/ 1133;\"><\/span><\/p>\n<h2 dir=\"ltr\" style=\"\">Who will benefit from this test?<\/h2>\n<h3>Those at increased risk includes individuals with the following risk factors:<\/h3>\n<ul>\n<li>Family or personal history of coronary artery disease<\/li>\n<li>Male over 45 years of age<\/li>\n<li>Females over 55 years of age<\/li>\n<li>Past or present smoker<\/li>\n<li>History of high cholesterol, diabetes or high blood pressure<\/li>\n<li>Elevated body mass index (BMI)<\/li>\n<li>Inactive lifestyle<\/li>\n<\/ul>\n<p><span><img decoding=\"async\" alt=\"\" data-id=\"3579\" width=\"1040\" data-init-width=\"1379\" height=\"693\" data-init-height=\"919\" title=\"heart_trouble\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2020\/05\/heart_trouble.jpg\" data-width=\"1040\" data-height=\"693\" style=\"aspect-ratio: auto 1379 \/ 919;\"><\/span><\/p>\n<h2 dir=\"ltr\" style=\"\">What are the limitations of this test?<\/h2>\n<ol>\n<li style=\"\"><span style=\"\">1<\/span><span style=\"\"><strong>It picks up only calcified plaques<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>There are 2 types of plaques (blockages) in the heart arteries \u2013 soft plaques and calcified plaques<\/li>\n<li dir=\"ltr\">Soft plaques are blockages that can cause narrowings of the heart arteries and do not contain calcium. These will not be picked up by this test and an injection of dye through the arm will be needed for detection of soft plaques (via a CT Coronary Angiogram)<\/li>\n<li dir=\"ltr\" style=\"\">Your physician will guide you as to whether this test or a CT coronary angiogram will be more suitable for you.<\/li>\n<\/ul>\n<ol>\n<li style=\"\"><span style=\"\">2<\/span><span style=\"\"><strong>It does not correspond directly to the percentage of narrowing in the heart arteries<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"\">Though the higher the calcium score, the greater is the likelihood of significant narrowing of the heart arteries and risk of a future cardiac events like a heart attack over the next 3 years, it will not give information on the percentage of narrowing of the heart arteries.<\/li>\n<\/ul>\n<h2 dir=\"ltr\" style=\"\">How to prepare for the test<\/h2>\n<ul>\n<li dir=\"ltr\">Wear a shirt that can be easily removed so as to facilitate the exam.<\/li>\n<li>You may eat and drink as you normally would the day of the test.<\/li>\n<li dir=\"ltr\">Take all of your medications at the usual times as prescribed by your doctor.&nbsp;<\/li>\n<li dir=\"ltr\">CT scanners use X-rays and the amount of radiation exposure is kept to the minimum for your safety. Because X-rays can harm a developing fetus, please inform your doctor and the technologist if you are pregnant.<\/li>\n<\/ul>\n<h2 dir=\"ltr\" style=\"\">How is the test performed?<\/h2>\n<ul>\n<li dir=\"ltr\">This exam will take place in a radiology center chosen by your physician.<\/li>\n<\/ul>\n<p><span><img decoding=\"async\" alt=\"\" data-id=\"4985\" width=\"760\" data-init-width=\"1024\" height=\"484\" data-init-height=\"652\" title=\"Professional,Doctor,Radiologist,In,Medical,Laboratory,Controls,Magnetic,Resonance,Imaging\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2021\/05\/pet_scan_hospital2-1024x652.jpg\" data-width=\"760\" data-height=\"484\" style=\"aspect-ratio: auto 1024 \/ 652;\"><\/span><\/p>\n<ol>\n<li style=\"\"><span style=\"\">1<\/span><span style=\"\"><strong>Before the test<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>You will change into a hospital gown.<\/li>\n<li>The nurse will record your height, weight and blood pressure.<\/li>\n<li>You will lie on a special scanning table.<\/li>\n<li style=\"\">Three electrodes (small flat sticky patches) will be placed on your chest wall and attached to an ECG monitor that charts your heart\u2019s electrical activity during the test.<\/li>\n<\/ul>\n<p><span style=\"\"><img decoding=\"async\" alt=\"\" data-id=\"3581\" width=\"595\" data-init-width=\"1024\" height=\"335\" data-init-height=\"577\" title=\"testing_radiology\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2020\/05\/testing_radiology-1024x577.jpg\" data-width=\"595\" data-height=\"335\" style=\"aspect-ratio: auto 1024 \/ 577;\" ml-d=\"-3\"><\/span><\/p>\n<ol>\n<li style=\"\"><span style=\"\">2<\/span><span style=\"\"><strong>During the test<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>You will feel the table move inside a donut-shaped scanner.<\/li>\n<li>The high-speed CT scanner will capture multiple images, synchronised with your heart beat to detect the presence of calcification within the coronary arteries.<\/li>\n<li>Absence of calcium \u2013 considered a \u201cnegative\u201d exam but it does not exclude the presence of soft non-calcified plaques.<\/li>\n<li style=\"\">If calcium is present, a sophisticated computer program will generate a calcium score that estimated the extent of coronary artery disease.<\/li>\n<\/ul>\n<ol>\n<li style=\"\"><span style=\"\">3<\/span><span style=\"\"><strong>After the test<\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li>You may resume your normal daily activities after the exam.<\/li>\n<li style=\"\">You calcium score with be reviewed by our doctor and a summarized report will be provided and explained to you during your review.<\/li>\n<\/ul>\n<h2 style=\"\">How does the doctor use this test to treat me?<\/h2>\n<table data-rows=\"6\" data-cols=\"3\" data-v=\"middle\">\n<thead>\n<tr>\n<th style=\"\">\n<p style=\"text-align: center;\"><strong>Calcium Score<\/strong><\/p>\n<\/th>\n<th style=\"\">\n<p style=\"text-align: center;\"><strong>Implication<\/strong><\/p>\n<\/th>\n<th style=\"\">\n<p style=\"text-align: center;\"><strong>Risk of coronary Artery Disease<\/strong><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-th=\"Calcium Score\" style=\"\">\n<p>0<\/p>\n<\/td>\n<td data-th=\"Implication\" style=\"\">\n<p style=\"text-align: left;\">No identifiable plaque<\/p>\n<\/td>\n<td data-th=\"Risk of coronary Artery Disease\" style=\"\">\n<p style=\"text-align: left;\">Very low, generally less than 5 percent<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td data-th=\"Calcium Score\" style=\"\">\n<p>1 &#8211; 10<\/p>\n<\/td>\n<td data-th=\"Implication\" style=\"\">\n<p>Minimal identifiable plaque<\/p>\n<\/td>\n<td data-th=\"Risk of coronary Artery Disease\" style=\"\">\n<p style=\"text-align: left;\">Very unlikely, less than 10 percent<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td data-th=\"Calcium Score\" style=\"\">\n<p>11 &#8211; 100<\/p>\n<\/td>\n<td data-th=\"Implication\" style=\"\">\n<p style=\"text-align: left;\">Definite, at least mild atherosclerotic plaque<\/p>\n<\/td>\n<td data-th=\"Risk of coronary Artery Disease\" style=\"\">\n<p style=\"text-align: left;\">Mild or minimal coronary narrowings likely<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td data-th=\"Calcium Score\" style=\"\">\n<p>101 &#8211; 400<\/p>\n<\/td>\n<td data-th=\"Implication\" style=\"\">\n<p style=\"text-align: left;\">Definite, at least moderate atherosclerotic plaque<\/p>\n<\/td>\n<td data-th=\"Risk of coronary Artery Disease\" style=\"\">\n<p style=\"text-align: left;\">Mild coronary artery disease highly likely, significant narrowings possible<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td data-th=\"Calcium Score\" rowspan=\"1\" colspan=\"1\" style=\"\">\n<p>401 or Higher<\/p>\n<\/td>\n<td data-th=\"Implication\" rowspan=\"1\" colspan=\"1\" style=\"\">\n<p style=\"text-align: left;\">Extensive atherosclerotic plaque<\/p>\n<\/td>\n<td data-th=\"Risk of coronary Artery Disease\" rowspan=\"1\" colspan=\"1\" style=\"\">\n<p style=\"text-align: left;\">High likelihood of at least one significant coronary narrowing<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span><img decoding=\"async\" alt=\"\" data-id=\"3584\" width=\"1040\" data-init-width=\"1152\" height=\"695\" data-init-height=\"770\" title=\"woman_consulting_doctor\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2020\/05\/woman_consulting_doctor.jpg\" data-width=\"1040\" data-height=\"695\" style=\"aspect-ratio: auto 1152 \/ 770;\"><\/span><\/p>\n<h2 style=\"\">CAC score \u2013 Coronary Artery Calcium score<\/h2>\n<p><span><img decoding=\"async\" alt=\"\" data-id=\"3587\" width=\"600\" data-init-width=\"600\" height=\"594\" data-init-height=\"594\" title=\"cac_scoring\" loading=\"lazy\" src=\"\/\/www.sozocardiology.com\/wp-content\/uploads\/2020\/05\/cac_scoring.jpg\" data-width=\"600\" data-height=\"594\" style=\"aspect-ratio: auto 600 \/ 594;\"><\/span><\/p>\n<ol>\n<li style=\"\"><span style=\"\">1<\/span><span style=\"\"><strong><strong>Normal exam<\/strong><\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"\">No further testing may be needed<\/li>\n<\/ul>\n<ol>\n<li style=\"\"><span style=\"\">2<\/span><span style=\"\"><strong><strong>Abnormal exam<\/strong><\/strong><\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"\">Further investigations such as a stress test or a CT coronary angiogram may be needed.Lifestyle changes and treatment with cardiac medications to optimize your condition will be given by your physician.<\/li>\n<\/ul>\n<h2 style=\"\">More Information<\/h2>\n<h3 style=\"text-align: left;\">Don&#8217;t wait for your symptoms to worsen.<\/h3>\n<p><strong>\u65e9\u671f\u5e72\u9884\u53ef\u4ee5\u633d\u6551\u60a8\u7684\u751f\u547d\u3002<\/strong> <\/p>\n<p>\u5982\u679c\u4e0d\u52a0\u4ee5\u63a7\u5236\uff0c\u5fc3\u810f\u75c5\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd \u540e\u679c\u3002\u8d8a\u65e9\u8bca\u65ad\u6cbb\u7597\uff0c\u8d8a\u65e9\u5fc3\u5b89\u3002<\/p>\n<p>  __CONFIG_colors_palette__{&#8220;active_palette&#8221;:0,&#8221;config&#8221;:{&#8220;colors&#8221;:{&#8220;62516&#8221;:{&#8220;name&#8221;:&#8221;Main Accent&#8221;,&#8221;parent&#8221;:-1}},&#8221;gradients&#8221;:[]},&#8221;palettes&#8221;:[{&#8220;name&#8221;:&#8221;Default Palette&#8221;,&#8221;value&#8221;:{&#8220;colors&#8221;:{&#8220;62516&#8221;:{&#8220;val&#8221;:&#8221;var(&#8211;tcb-skin-color-0)&#8221;}},&#8221;gradients&#8221;:[]}}]}__CONFIG_colors_palette__ <a href=\"https:\/\/www.sozocardiology.com\/zh\/contact\/\" style=\"\"> <span><span>\u9884\u7ea6<\/span><\/span> <\/a>  <\/p>","protected":false},"excerpt":{"rendered":"<p>If you are viewing this page in Chinese, translations are coming soon Definition A Coronary CT Calcium Scoring is a simple, non-invasive test that takes only a few seconds to perform on an outpatient basis. Using state-of-the-art computerized tomography (CT) methods, it can detect calcium deposits in atherosclerotic plaques in the arteries of the heart. [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":2704,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[],"footnotes":""},"class_list":["post-3142","page","type-page","status-publish","hentry","post-wrapper","thrv_wrapper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CT Coronary Calcium Scoring &#8212; SozoCardiology - Dr Ooi Yau Wei Interventional Cardiologist<\/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:\/\/www.sozocardiology.com\/zh\/heart-investigations\/ct-coronary-calcium-scoring\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CT Coronary Calcium Scoring &#8212; SozoCardiology - Dr Ooi Yau Wei Interventional Cardiologist\" \/>\n<meta property=\"og:description\" content=\"If you are viewing this page in Chinese, translations are coming soon Definition A Coronary CT Calcium Scoring is a simple, non-invasive test that takes only a few seconds to perform on an outpatient basis. 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Using state-of-the-art computerized tomography (CT) methods, it can detect calcium deposits in atherosclerotic plaques in the arteries of the heart. 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