{"id":6450,"date":"2025-08-23T00:56:58","date_gmt":"2025-08-22T19:26:58","guid":{"rendered":"https:\/\/medcollegedarshan.com\/?p=6450"},"modified":"2025-08-23T00:57:51","modified_gmt":"2025-08-22T19:27:51","slug":"angina-explained","status":"publish","type":"post","link":"https:\/\/medcollegedarshan.com\/index.php\/2025\/08\/23\/angina-explained\/","title":{"rendered":"Angina Explained: Causes, Types, Treatment Options &amp; Key Statistics 2025"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/64528a79bd39e32ec4de850b_63b6fcd2a95997a4cc11cff0_Acute20Failure-1024x683.jpeg\" alt=\"angina\" class=\"wp-image-6451\" srcset=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/64528a79bd39e32ec4de850b_63b6fcd2a95997a4cc11cff0_Acute20Failure-1024x683.jpeg 1024w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/64528a79bd39e32ec4de850b_63b6fcd2a95997a4cc11cff0_Acute20Failure-300x200.jpeg 300w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/64528a79bd39e32ec4de850b_63b6fcd2a95997a4cc11cff0_Acute20Failure-768x512.jpeg 768w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/64528a79bd39e32ec4de850b_63b6fcd2a95997a4cc11cff0_Acute20Failure.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#1-introduction-what-is-angina\">1. Introduction \u2013 What is Angina<\/a><\/li><li><a href=\"#2-types-of-angina\">2. Types<\/a><\/li><li><a href=\"#3-who-recommended-drugs-for-treatment-of-angina\">3. WHO-Recommended Drugs for Treatment<\/a><\/li><li><a href=\"#4-combination-drugs-in-angina-therapy\">4. Combination\u00a0 Drugs<\/a><\/li><li><a href=\"#5-mortality-statistics-related-to-angina\">5. Mortality &amp; Statistics <\/a><\/li><li><a href=\"#6-conclusion\">6. Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-introduction-what-is-angina\"><strong>1. Introduction \u2013 What is Angina<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Angina pectoris, often simply called angina, is a type of chest pain or discomfort that occurs when the heart muscle doesn\u2019t get enough oxygen-rich blood.<\/li>\n\n\n\n<li>It is usually a symptom of coronary artery disease (CAD) and acts as a warning sign for possible heart attack or serious heart complications.<\/li>\n\n\n\n<li>The pain is often described as tightness, heaviness, squeezing, or burning, and may radiate to the shoulders, arms, neck, jaw, or back.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-types-of-angina\"><strong>2. Types<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Type<\/strong><\/td><td><strong>Cause<\/strong><\/td><td><strong>Key Features<\/strong><\/td><td><strong>Relief<\/strong><\/td><\/tr><tr><td>Stable<\/td><td>Fixed narrowing of coronary arteries<\/td><td>Predictable, triggered by exertion or stress<\/td><td>Rest or nitroglycerin<\/td><\/tr><tr><td>Unstable<\/td><td>Rupture of a plaque with clot formation<\/td><td>Occurs at rest, more severe and frequent<\/td><td>Urgent medical attention<\/td><\/tr><tr><td>Variant (Prinzmetal\u2019s)<\/td><td>Coronary artery spasm<\/td><td>Occurs at rest, often at night or early morning<\/td><td>Calcium channel blockers, nitrates<\/td><\/tr><tr><td>Microvascular<\/td><td>Dysfunction of small coronary vessels<\/td><td>Chest pain despite normal coronary arteries<\/td><td>Lifestyle changes + medications<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-who-recommended-drugs-for-treatment-of-angina\"><strong>3. WHO-Recommended Drugs for Treatment<\/strong><\/h2>\n\n\n\n<p>References: KD Tripathi \u2013 Essentials of Medical Pharmacology &amp; Katzung \u2013 Basic &amp; Clinical Pharmacology<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Drug Class<\/strong><\/td><td><strong>Examples<\/strong><\/td><td><strong>Mechanism of Action<\/strong><\/td><td><strong>Use<\/strong><\/td><\/tr><tr><td>Nitrates<\/td><td>Glyceryl trinitrate (GTN), Isosorbide dinitrate, Isosorbide mononitrate<\/td><td>Dilates veins &amp; coronary arteries, reduces heart\u2019s oxygen demand<\/td><td>Rapid relief in acute angina<\/td><\/tr><tr><td>\u03b2-Blockers<\/td><td>Metoprolol, Atenolol, Propranolol<\/td><td>Decrease heart rate &amp; contractility<\/td><td>Prevention of effort-induced angina<\/td><\/tr><tr><td>Calcium Channel Blockers<\/td><td>Verapamil, Diltiazem, Amlodipine, Nifedipine<\/td><td>Reduce coronary spasm &amp; oxygen demand<\/td><td>Variant and stable angina<\/td><\/tr><tr><td>Potassium Channel Openers<\/td><td>Nicorandil<\/td><td>Vasodilation via K\u207a channel activation<\/td><td>Alternative\/add-on therapy<\/td><\/tr><tr><td>Metabolic Modulators<\/td><td>Trimetazidine, Ranolazine<\/td><td>Improve cardiac metabolism<\/td><td>Used when other drugs are insufficient<\/td><\/tr><tr><td>Antiplatelets<\/td><td>Aspirin, Clopidogrel<\/td><td>Prevent platelet aggregation<\/td><td>Unstable angina &amp; post-MI prevention<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg-1024x1024.png\" alt=\"\" class=\"wp-image-5964\" srcset=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg-1024x1024.png 1024w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg-300x300.png 300w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg-150x150.png 150w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg-768x768.png 768w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/05\/Untitled-designfg.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-combination-drugs-in-angina-therapy\"><strong>4. Combination\u00a0 Drugs<\/strong><\/h2>\n\n\n\n<p>Sometimes, no single drug is enough to control symptoms. Combination therapy aims to target different mechanisms at once.<\/p>\n\n\n\n<p>Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03b2-Blocker + Nitrate \u2192 Reduces heart workload + dilates vessels<\/li>\n\n\n\n<li>Calcium Channel Blocker + Nitrate \u2192 Good for variant angina<\/li>\n\n\n\n<li>Trimetazidine + \u03b2-Blocker \u2192 Improved exercise tolerance (TRIMPOL II study)<\/li>\n\n\n\n<li>Aspirin + Clopidogrel \u2192 Standard in unstable angina to prevent clot formation<\/li>\n<\/ul>\n\n\n\n<p>These combinations are supported by WHO cardiovascular guidelines and clinical pharmacology references.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-mortality-statistics-related-to-angina\"><strong>5. Mortality &amp; Statistics <\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Global Impact:<\/strong><br><ul><li>Cardiovascular diseases cause 19.8 million deaths annually (WHO, 2022).<br><\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li>Ischemic heart disease is the leading cause of death worldwide.<br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Prevalence:<\/strong><br><ul><li>Around 112 million people worldwide live with angina.<br><\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li>About 1.6% of the global population is affected.<br><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Prognosis:<\/strong><br><ul><li>Long-term studies show 59% mortality in men and 47% in women over 13 years.<br><\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li>Risk of death is significantly higher without early diagnosis and proper drug therapy.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-conclusion\"><a><\/a><strong>6. Conclusion<\/strong><\/h2>\n\n\n\n<p>It is not a disease in itself but a red flag for underlying heart problems.<\/p>\n\n\n\n<p>Ignoring it can lead to heart attacks, heart failure, or sudden cardiac death\u2014making awareness and timely treatment critical.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>For more updates, follow\u00a0<\/strong>us on\u00a0<a href=\"https:\/\/twitter.com\/home\" target=\"_blank\" rel=\"noreferrer noopener\">X (Twitter)<\/a>,\u00a0<a href=\"https:\/\/www.instagram.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Instagram<\/a>\u00a0&amp;\u00a0<a href=\"https:\/\/www.facebook.com\/people\/Med-College-Darshan\/61559007482232\/\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>. And our website\u00a0<a href=\"https:\/\/medcollegedarshan.com\/\">MED COLLEGE DARSHAN<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/fd7f53f0-03ec-4112-b9b4-93abcc721dbd.png\" alt=\"MBBS interns\" class=\"wp-image-6413\" srcset=\"https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/fd7f53f0-03ec-4112-b9b4-93abcc721dbd.png 1024w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/fd7f53f0-03ec-4112-b9b4-93abcc721dbd-300x300.png 300w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/fd7f53f0-03ec-4112-b9b4-93abcc721dbd-150x150.png 150w, https:\/\/medcollegedarshan.com\/wp-content\/uploads\/2025\/08\/fd7f53f0-03ec-4112-b9b4-93abcc721dbd-768x768.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1. Introduction \u2013 What is Angina 2. Types Type Cause Key Features Relief Stable Fixed narrowing of coronary arteries Predictable, triggered by exertion or stress Rest or nitroglycerin Unstable Rupture of a plaque with clot formation Occurs at rest, more severe and frequent Urgent medical attention Variant (Prinzmetal\u2019s) Coronary artery spasm Occurs at rest, often [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":6451,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"footnotes":""},"categories":[1],"tags":[1355,1360,1185,1357,1359,1358,1356,1354],"class_list":["post-6450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-treding","tag-angina-pectoris","tag-angina-therapy","tag-coronary-artery-disease","tag-drugs-for-treatment-of-angina","tag-microvascular-angina","tag-stable-angina","tag-types-of-angina","tag-what-is-angina"],"_links":{"self":[{"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/posts\/6450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/comments?post=6450"}],"version-history":[{"count":2,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/posts\/6450\/revisions"}],"predecessor-version":[{"id":6453,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/posts\/6450\/revisions\/6453"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/media\/6451"}],"wp:attachment":[{"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/media?parent=6450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/categories?post=6450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medcollegedarshan.com\/index.php\/wp-json\/wp\/v2\/tags?post=6450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}