{"id":8960,"date":"2023-07-26T12:18:57","date_gmt":"2023-07-26T16:18:57","guid":{"rendered":"https:\/\/mcc2022.wpengine.com\/?post_type=objectives&#038;p=8960"},"modified":"2024-01-17T12:47:22","modified_gmt":"2024-01-17T17:47:22","slug":"troubles-de-lequilibre-acido-basique","status":"publish","type":"objectives","link":"https:\/\/mcc.ca\/fr\/objectifs\/expert-medical\/troubles-de-lequilibre-acido-basique\/","title":{"rendered":"Troubles de l\u2019\u00e9quilibre acido-basique"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Explication<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une concentration en ions hydrog\u00e8ne anormalement \u00e9lev\u00e9e (acid\u00e9mie) ou faible (alcal\u00e9mie) est relativement fr\u00e9quente, notamment dans la pratique hospitali\u00e8re. En particulier, une acid\u00e9mie peut \u00eatre due \u00e0 une affection sous-jacente potentiellement mortelle. Plusieurs troubles de l\u2019\u00e9quilibre acido-basique peuvent \u00eatre simultan\u00e9ment pr\u00e9sents chez un m\u00eame patient.<\/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 class=\"wp-block-list\" style=\"list-style-type:ordered\">\n<li>Acidose m\u00e9tabolique\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>\u00c0 trou anionique augment\u00e9\n<ol class=\"wp-block-list\" style=\"list-style-type:ordered\">\n<li>Production accrue d\u2019acides\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>D\u2019origine exog\u00e8ne (p.&nbsp;ex. m\u00e9thanol)<\/li>\n\n\n\n<li>D\u2019origine endog\u00e8ne (p.&nbsp;ex. acidoc\u00e9tose)<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Diminution de l\u2019excr\u00e9tion r\u00e9nale d\u2019acides (p.&nbsp;ex. insuffisance r\u00e9nale)<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u00c0 trou anionique normal\n<ol class=\"wp-block-list\" style=\"list-style-type:ordered\">\n<li>Pertes gastro-intestinales de bicarbonates (p.&nbsp;ex. diarrh\u00e9e)<\/li>\n\n\n\n<li>Pertes r\u00e9nales de bicarbonates (p.&nbsp;ex. acidose tubulaire r\u00e9nale, n\u00e9phrite interstitielle)<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Alcalose m\u00e9tabolique\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>Augmentation du volume sanguin art\u00e9riel efficace (p.&nbsp;ex. exc\u00e8s de min\u00e9ralocortico\u00efdes)<\/li>\n\n\n\n<li>Diminution du volume sanguin art\u00e9riel efficace\n<ol class=\"wp-block-list\" style=\"list-style-type:ordered\">\n<li>Pertes gastro-intestinales d\u2019acides (p.&nbsp;ex. vomissements)<\/li>\n\n\n\n<li>Pertes r\u00e9nales d\u2019acides (p.&nbsp;ex. diur\u00e9tiques)<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Ingestion exog\u00e8ne<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Acidose respiratoire\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>Causes neuromusculaires (p.&nbsp;ex. m\u00e9dicaments, drogues illicites, maladie neuromusculaire)<\/li>\n\n\n\n<li>Diminution de la ventilation alv\u00e9olaire cons\u00e9cutive \u00e0 une affection pulmonaire (p.&nbsp;ex. exacerbation grave de l\u2019asthme avec arr\u00eat respiratoire imminent)<\/li>\n\n\n\n<li>Cyphoscoliose<\/li>\n\n\n\n<li>Hypoventilation (p.&nbsp;ex. due \u00e0 l\u2019ob\u00e9sit\u00e9)<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Alcalose respiratoire\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>Hypox\u00e9mie accompagn\u00e9e de tachypn\u00e9e<\/li>\n\n\n\n<li>D\u2019origine m\u00e9tabolique (p.&nbsp;ex. insuffisance h\u00e9patique)<\/li>\n\n\n\n<li>Troubles cardio-pulmonaires (p.&nbsp;ex. pneumonie, embolie)<\/li>\n\n\n\n<li>Atteintes du syst\u00e8me nerveux central (p.&nbsp;ex. h\u00e9morragie sous-arachno\u00efdienne)<\/li>\n\n\n\n<li>D\u2019origine m\u00e9dicamenteuse (p.&nbsp;ex. salicylates)<\/li>\n\n\n\n<li>Causes diverses (p.&nbsp;ex. fi\u00e8vre, douleur, grossesse)<\/li>\n<\/ol>\n<\/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 un trouble de l\u2019\u00e9quilibre acido-basique, 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, notamment dans le cas d\u2019une acidose m\u00e9tabolique \u00e0 trou anionique augment\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Objectifs sp\u00e9cifiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le cas d\u2019un patient pr\u00e9sentant un trouble de l\u2019\u00e9quilibre acido-basique, le candidat devra<\/p>\n\n\n\n<ol class=\"wp-block-list\" style=\"list-style-type:ordered\">\n<li>gr\u00e2ce \u00e0 une collecte de donn\u00e9es efficace et pertinente, diagnostiquer sans d\u00e9lai la cause de l\u2019acid\u00e9mie ou de l\u2019alcal\u00e9mie;<\/li>\n\n\n\n<li>recenser et interpr\u00e9ter les constatations cliniques et les r\u00e9sultats de laboratoire qui ont une importance capitale dans les processus d\u2019exclusion, de diff\u00e9renciation et de diagnostic, notamment ceux d\u00e9coulant&nbsp;:\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>d\u2019une analyse pr\u00e9cise des gaz du sang art\u00e9riel;<\/li>\n\n\n\n<li>d\u2019analyses de laboratoire compl\u00e9mentaires visant \u00e0 d\u00e9tecter la pr\u00e9sence d\u2019une acid\u00e9mie ou d\u2019une alcal\u00e9mie et \u00e0 d\u00e9terminer l\u2019anomalie primaire et l\u2019efficacit\u00e9 des m\u00e9canismes de compensation secondaires associ\u00e9s;<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u00e9tablir un plan efficace de prise en charge initiale d\u2019une acid\u00e9mie ou d\u2019une alcal\u00e9mie, notamment&nbsp;:\n<ol class=\"wp-block-list\" style=\"list-style-type:lower-alpha\">\n<li>d\u00e9crire les mesures de soutien g\u00e9n\u00e9rales;<\/li>\n\n\n\n<li>d\u00e9crire la prise en charge de troubles sp\u00e9cifiques de l\u2019\u00e9quilibre acido-basique;<\/li>\n\n\n\n<li>d\u00e9terminer si le patient a besoin d\u2019\u00eatre orient\u00e9 en vue d\u2019une consultation.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Explication Une concentration en ions hydrog\u00e8ne anormalement \u00e9lev\u00e9e (acid\u00e9mie) ou faible (alcal\u00e9mie) est relativement fr\u00e9quente, notamment dans la pratique hospitali\u00e8re. En particulier, une acid\u00e9mie peut \u00eatre due \u00e0 une affection sous-jacente potentiellement mortelle. Plusieurs troubles de l\u2019\u00e9quilibre acido-basique peuvent \u00eatre simultan\u00e9ment pr\u00e9sents chez un m\u00eame patient. \u00c9tiologie (liste non exhaustive) Objectifs principaux Dans le cas [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":0,"menu_order":176,"template":"","format":"standard","class_list":["post-8960","objectives","type-objectives","status-publish","format-standard","hentry"],"acf":{"legacy_id":"45","version":"mars 2022"},"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\/troubles-de-lequilibre-acido-basique\/\" \/>\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 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