{"id":13720,"date":"2023-08-05T06:47:43","date_gmt":"2023-08-05T01:17:43","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=13720"},"modified":"2025-04-02T06:42:58","modified_gmt":"2025-04-02T01:12:58","slug":"what-is-raynauds-phenomenon","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-raynauds-phenomenon\/","title":{"rendered":"What is Raynaud\u2019s Phenomenon?"},"content":{"rendered":"<h2><strong>About Raynaud\u2019s Phenomenon<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li>It is a condition that <strong>causes the blood vessels in the extremities to narrow, restricting blood vessels .<\/strong><\/li>\n<li>The episodes or \u201cattacks\u201d <strong>usually affect the fingers and toes.\u00a0<\/strong><\/li>\n<li>In rare cases, at<strong>tacks occur in other areas such as the ears or nose.<\/strong>\u00a0<\/li>\n<li>An attack <strong>usually happens from exposure to cold or emotional stress.<\/strong><\/li>\n<li><strong>During a Raynaud\u2019s attack, the arterioles and capillaries in your fingers and toes tighten more than they should.\u00a0<\/strong><\/li>\n<li><strong>Types of Raynaud\u2019s<\/strong>:This condition is named for the French doctor who first identified it in 1862. You may hear it called by many names. There are two types:<\/li>\n<li><strong>Primary Raynaud\u2019s(or Raynaud\u2019s disease):\u00a0<\/strong>\n<ul>\n<li><strong>It <\/strong>h<strong>appens without any other illness <\/strong>behind it.\u00a0<\/li>\n<li>The sy<strong>mptoms are often mild.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Secondary Raynaud\u2019s (Raynaud\u2019s syndrome, Raynaud\u2019s phenomenon):\u00a0<\/strong>\n<ul>\n<li><strong>It<\/strong> r<strong>esults from another illness.\u00a0<\/strong><\/li>\n<li>It\u2019s <strong>often a condition that attacks your body\u2019s connective tissues<\/strong>, like lupus or rheumatoid arthritis.\u00a0<\/li>\n<li>It\u2019s <strong>less common, but it\u2019s more likely to cause serious health problems<\/strong>. This can include things like skin sores and gangrene. These happen when cells and tissue in your toes and fingers die from lack of blood.<\/li>\n<li><strong>In most people, lifestyle changes such as staying warm keep symptoms under control,<\/strong> <strong>but in severe cases, repeated attacks lead to skin sores or gangrene<\/strong> (death and decay of tissue).\u00a0<\/li>\n<li>The <strong>treatment depends on how serious the condition is <\/strong>and whether it is the primary or secondary form.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What are arterioles?<\/h3>\n<p>Arterioles are considered the primary resistance vessels as they distribute blood flow into capillary beds. Arterioles provide approximately 80% of the total resistance to blood flow through the body and are considered vital regulators of hemodynamics, contributing to the upstream pressure and the regional distribution of blood.<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.aninews.in\/news\/health\/study-finds-genetic-causes-of-raynauds-phenomenon20230804211801\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>Study finds genetic causes of Raynaud\u2019s phenomenon<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Raynaud\u2019s Phenomenon is a condition that causes the blood vessels in the extremities to narrow, restricting blood flow.<\/p>\n","protected":false},"author":5,"featured_media":13721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-13720","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=13720"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13720\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/13721"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=13720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=13720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=13720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}