{"id":9653,"date":"2026-03-31T08:00:00","date_gmt":"2026-03-31T12:00:00","guid":{"rendered":"https:\/\/mcc2022.wpengine.com\/?post_type=objectives&#038;p=9653"},"modified":"2026-03-31T08:01:52","modified_gmt":"2026-03-31T12:01:52","slug":"hemorragie-digestive-basse","status":"publish","type":"objectives","link":"https:\/\/mcc.ca\/fr\/objectifs\/expert-medical\/saignement-gastro-intestinal\/hemorragie-digestive-basse\/","title":{"rendered":"H\u00e9morragie digestive basse"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Explication<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une h\u00e9morragie digestive basse est d\u00e9finie comme un saignement ayant son origine en aval du ligament de Treitz. Elle peut prendre la forme d\u2019une h\u00e9morragie franche (p. ex. h\u00e9matoch\u00e9sie) ou d\u2019une perte sanguine occulte. M\u00eame si elle est souvent associ\u00e9e \u00e0 des affections b\u00e9nignes, elle peut constituer le premier signe d\u2019une tumeur maligne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tiologie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">(liste non exhaustive)<\/p>\n\n\n\n<ol style=\"list-style-type:ordered\" class=\"wp-block-list\">\n<li>Cause vasculaire (p. ex. diverticulose, angiodysplasie, isch\u00e9mie, h\u00e9morragie postop\u00e9ratoire)<\/li>\n\n\n\n<li>Cause inflammatoire (p. ex. infection, maladie inflammatoire chronique de l\u2019intestin, rectocolite h\u00e9morragique)<\/li>\n\n\n\n<li>Cause n\u00e9oplasique (p. ex. polype, cancer)<\/li>\n\n\n\n<li>Maladie anorectale (p. ex. ulc\u00e8re rectal, traumatisme, h\u00e9morro\u00efdes, fissure anale)<\/li>\n\n\n\n<li>H\u00e9morragie abondante du haut appareil digestif<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Objectifs principaux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le cas d\u2019un patient pr\u00e9sentant une h\u00e9morragie digestive basse, le candidat devra en diagnostiquer la cause, la gravit\u00e9 et les complications, et mettre en place un plan de prise en charge appropri\u00e9. Il devra accorder une attention particuli\u00e8re \u00e0 l\u2019\u00e9tat h\u00e9modynamique du patient et \u00e0 la n\u00e9cessit\u00e9 d\u2019obtenir des soins sp\u00e9cialis\u00e9s imm\u00e9diats. Le candidat devra \u00e9galement rep\u00e9rer les patients qui pr\u00e9sentent un risque \u00e9lev\u00e9 de cancer colorectal en vue d\u2019un d\u00e9pistage par coloscopie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:40px\">Objectifs sp\u00e9cifiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le cas d\u2019un patient ayant une h\u00e9morragie digestive basse, le candidat devra<\/p>\n\n\n\n<ol style=\"list-style-type:ordered\" class=\"wp-block-list\">\n<li>\u00e9num\u00e9rer et interpr\u00e9ter les constatations cliniques cruciales, notamment celles fond\u00e9es sur :\n<ol style=\"list-style-type:lower-alpha\" class=\"wp-block-list\">\n<li>une \u00e9valuation initiale effectu\u00e9e \u00e0 partir de l\u2019anamn\u00e8se et de l\u2019examen physique, dont un toucher rectal;<\/li>\n\n\n\n<li>l\u2019\u00e9tat h\u00e9modynamique du patient;<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u00e9valuer la n\u00e9cessit\u00e9 d\u2019effectuer les examens cliniques essentiels et en interpr\u00e9ter les r\u00e9sultats, notamment :\n<ol style=\"list-style-type:lower-alpha\" class=\"wp-block-list\">\n<li>une sigmo\u00efdoscopie ou une coloscopie;<\/li>\n\n\n\n<li>des analyses de laboratoire et des examens d\u2019imagerie, selon les indications;<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u00e9tablir un plan efficace de prise en charge initiale, notamment la d\u00e9termination \u00e0 savoir si le patient requiert une r\u00e9animation imm\u00e9diate et\/ou des soins sp\u00e9cialis\u00e9s.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Explication Une h\u00e9morragie digestive basse est d\u00e9finie comme un saignement ayant son origine en aval du ligament de Treitz. Elle peut prendre la forme d\u2019une h\u00e9morragie franche (p. ex. h\u00e9matoch\u00e9sie) ou d\u2019une perte sanguine occulte. M\u00eame si elle est souvent associ\u00e9e \u00e0 des affections b\u00e9nignes, elle peut constituer le premier signe d\u2019une tumeur maligne. \u00c9tiologie [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":8992,"menu_order":42,"template":"","format":"standard","class_list":["post-9653","objectives","type-objectives","status-publish","format-standard","hentry"],"acf":{"legacy_id":"6-2","version":"mars 2026"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/mcc.ca\/fr\/objectifs\/expert-medical\/saignement-gastro-intestinal\/hemorragie-digestive-basse\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Le Conseil m\u00e9dical du Canada |\" \/>\n\t\t<meta property=\"og:type\" 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