{"id":23973,"date":"2018-04-28T18:18:18","date_gmt":"2018-04-28T12:48:18","guid":{"rendered":"https:\/\/cardiophile.org\/?p=23973"},"modified":"2021-12-04T21:49:38","modified_gmt":"2021-12-04T16:19:38","slug":"cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer\/","title":{"rendered":"Cerebral blood flow cessation time and syncope &#8211; Cardiology MCQ &#8211; Answer"},"content":{"rendered":"<p align=\"LEFT\"><span style=\"color: #008000;\"><b>A sudden cessation of cerebral blood flow of &#8212; seconds causes syncope:<\/b><\/span><\/p>\n<p align=\"LEFT\"><span style=\"color: #0000ff;\"><b>Correct answer: b) 6-8 seconds<\/b><\/span><\/p>\n<p align=\"LEFT\">A fall of systolic blood pressure to 50\u201360 mmHg at the level of the heart, which corresponds to 30\u201345 mmHg at the level of the brain in the upright position can also cause syncope with complete loss of consciousness.<\/p>\n<p align=\"LEFT\">Syncope is defined as transient loss of consciousness due to cerebral hypoperfusion, which has a rapid onset, short duration and complete recovery.<\/p>\n<p align=\"LEFT\"><span style=\"color: #0000ff;\"><b>Reference<\/b><\/span><\/p>\n<p align=\"LEFT\">1. Brignole M, Moya A, de Lange FJ, Deharo JC, Elliott PM, Fanciulli A, Fedorowski A, Furlan R, Kenny RA, Mart\u00edn A, Probst V, Reed MJ, Rice CP, Sutton R, Ungar A, van Dijk JG; ESC Scientific Document Group. 2018 ESC Guidelines for the diagnosis and management of syncope. Eur Heart J. 2018 Jun 1;39(21):1883-1948.<\/p>\n<p align=\"LEFT\"><strong><a href=\"https:\/\/johnsonfrancis.org\/professional\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq\/\">Back to question<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A sudden cessation of cerebral blood flow of &#8212; seconds causes syncope: Correct answer: b) 6-8 seconds A fall of systolic blood pressure to 50\u201360 mmHg at the level of the heart, which corresponds to 30\u201345 mmHg at the level of the brain in the upright position can also cause syncope with complete loss of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17493,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-23973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cardiology-mcq","category-dm-dnb-cardiology-entrance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cerebral blood flow cessation time and syncope - Cardiology MCQ - Answer - 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\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cerebral blood flow cessation time and syncope - Cardiology MCQ - Answer - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"A sudden cessation of cerebral blood flow of &#8212; seconds causes syncope: Correct answer: b) 6-8 seconds A fall of systolic blood pressure to 50\u201360 mmHg at the level of the heart, which corresponds to 30\u201345 mmHg at the level of the brain in the upright position can also cause syncope with complete loss of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-28T12:48:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-04T16:19:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/10\/cardiology-mcq5.png\" \/>\n\t<meta property=\"og:image:width\" content=\"701\" \/>\n\t<meta property=\"og:image:height\" content=\"517\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/cerebral-blood-flow-cessation-time-and-syncope-cardiology-mcq-answer\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Cerebral blood flow cessation time and syncope &#8211; 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