{"id":14984,"date":"2026-03-19T14:10:39","date_gmt":"2026-03-19T13:10:39","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/syncope-aide-et-causes-dune-crise-devanouissement\/"},"modified":"2026-03-19T14:10:40","modified_gmt":"2026-03-19T13:10:40","slug":"syncope-aide-et-causes-dune-crise-devanouissement","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/syncope-aide-et-causes-dune-crise-devanouissement\/","title":{"rendered":"Syncope : aide et causes d&rsquo;une crise d&rsquo;\u00e9vanouissement"},"content":{"rendered":"<p><!--$--><\/p>\n<nav data-hk=\"00942120a20100\" class=\"TOC mt-xl mb-lg \" data-qa-article-table-of-contents>\n<p class=\"headline-sm mb-sm\">Table des mati\u00e8res<\/p>\n<p><!--$--><\/p>\n<ol data-hk=\"00942120a2010100\" class=\"RUC-List RUC-List--Ordered RUC-List--Theme-Neutral RUC-List--Spacing-MD \">\n<li data-hk=\"00942120a201010200\" class=\"\">Syncope\u00a0: causes de l&rsquo;\u00e9vanouissement<\/li>\n<li data-hk=\"00942120a201010210\" class=\"\">Autres causes de syncope<\/li>\n<li data-hk=\"00942120a201010220\" class=\"\">\u00c9vanouissement d\u00fb \u00e0 un lever trop rapide<\/li>\n<li data-hk=\"00942120a201010230\" class=\"\">Maladies provoquant une syncope<\/li>\n<li data-hk=\"00942120a201010240\" class=\"\">Si vous risquez de vous \u00e9vanouir<\/li>\n<li data-hk=\"00942120a201010250\" class=\"\">Impuissance\u00a0: voici comment vous pouvez aider<\/li>\n<\/ol>\n<p><!--\/--><\/nav>\n<div data-hk=\"00942120a20200\" id=\"synkope-ursachen-f\u00fcr-einen-ohnmachtsanfall\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Syncope\u00a0: causes de l&rsquo;\u00e9vanouissement<\/h2>\n<p>La plupart des \u00e9vanouissements ont une cause inoffensive. Le stress provoque souvent un arr\u00eat de la circulation pendant une courte p\u00e9riode. Cela peut \u00eatre d\u00fb \u00e0 un stress n\u00e9gatif, comme une frayeur. Pour certaines personnes, la simple vue du sang peut les d\u00e9vaster. Mais quelque chose de grave ne doit pas toujours arriver : m\u00eame une grande joie peut conduire \u00e0 un \u00e9vanouissement.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a20220\" id=\"synkope-ursachen-f\u00fcr-einen-ohnmachtsanfall\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Si c\u2019est la cause de l\u2019\u00e9vanouissement, on parle de syncope vasovagale. La syncope n&rsquo;est que le terme m\u00e9dical d\u00e9signant l&rsquo;\u00e9vanouissement. Le syst\u00e8me nerveux autonome ralentit la circulation et la tension art\u00e9rielle chute rapidement, mais seulement bri\u00e8vement. En cons\u00e9quence, le cerveau ne re\u00e7oit pas suffisamment de sang \u00e0 court terme et la personne s&rsquo;\u00e9vanouit. Il y a des gens qui souffrent d\u2019hypotension. Cela peut \u00e9galement entra\u00eener des \u00e9vanouissements.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202304\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20240\" id=\"weitere-ursachen-einer-synkope\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Autres causes de syncope<\/h2>\n<p>Une autre cause d&rsquo;\u00e9vanouissement peut \u00eatre les arythmies cardiaques, qui conduisent ensuite \u00e0 une syncope cardiaque, c&rsquo;est-\u00e0-dire li\u00e9e au c\u0153ur.<\/p>\n<\/div>\n<div data-hk=\"00942120a20250\" id=\"weitere-ursachen-einer-synkope\" class=\"Html-Block\" data-qa-article-content-text>\n<p>L&rsquo;\u00e9vanouissement peut \u00e9galement \u00eatre d\u00e9clench\u00e9 par une pression sur un certain point du cou. Le soi-disant sinus carotide se trouve dans la paroi de l\u2019art\u00e8re carotide. Il s\u2019agit d\u2019une boule de nerfs \u00e9quip\u00e9e de fins capteurs de pression. Ces capteurs de pression d\u00e9tectent lorsque la pression art\u00e9rielle est trop \u00e9lev\u00e9e. Des signaux sont ensuite envoy\u00e9s pour abaisser la tension art\u00e9rielle. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20270\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"00942120a2027104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div class=\"Ad-Col col-lg-5\">\n<aside data-hk=\"00942120a2027204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div data-hk=\"00942120a20280\" id=\"weitere-ursachen-einer-synkope\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Chez certaines personnes \u2013 notamment les personnes \u00e2g\u00e9es \u2013 ce \u00ab point de pression \u00bb est tr\u00e8s sensible et r\u00e9agit facilement aux pressions ext\u00e9rieures, par exemple en tournant la t\u00eate ou m\u00eame si le col de la chemise est trop serr\u00e9. En cons\u00e9quence, la tension art\u00e9rielle chute et des \u00e9vanouissements surviennent.<\/p>\n<\/div>\n<div data-hk=\"00942120a20290\" id=\"ohnmachtsanfall-durch-zu-schnelles-aufstehen\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>\u00c9vanouissement d\u00fb \u00e0 un lever trop rapide<\/h2>\n<p>Vous connaissez probablement une autre cause d\u2019\u00e9vanouissement : si vous vous levez trop rapidement, votre tension art\u00e9rielle peut chuter. Le syst\u00e8me nerveux autonome est notamment charg\u00e9 de r\u00e9guler les vaisseaux sanguins afin que suffisamment de sang soit pomp\u00e9 depuis les jambes. Cependant, s\u2019il y a trop peu de liquide dans les r\u00e9cipients, par exemple si vous n\u2019avez pas assez bu, le pompage devient plus difficile. Si vous vous relevez ensuite rapidement, le sang affluera vers vos jambes et vos yeux deviendront noirs. C\u2019est ce qu\u2019on appelle une syncope orthostatique.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1004\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a110\" id=\"krankheiten-die-synkopen-ausl\u00f6sen\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Maladies provoquant une syncope<\/h2>\n<p>La syncope peut \u00eatre le sympt\u00f4me de maladies potentiellement graves\u00a0:<\/p>\n<\/div>\n<div data-hk=\"00942120a202a120\" id=\"krankheiten-die-synkopen-ausl\u00f6sen\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li><strong>Cardiovasculaire<\/strong>: Maladie coronarienne, maladie valvulaire (en particulier st\u00e9nose aortique\/mitrale), cardiomyopathie, insuffisance cardiaque.<\/li>\n<li><strong>Troubles du rythme<\/strong>: syndrome du sinus malade, tachycardie ventriculaire, syndrome du QT long.<\/li>\n<li><strong>Dysfonctionnement autonome<\/strong>: POTS, atrophie multisyst\u00e9mique, neuropathie diab\u00e9tique.<\/li>\n<li><strong>Autre<\/strong>: Embolie pulmonaire, an\u00e9mie, hypothyro\u00efdie, syndrome du sinus carotidien. <\/li>\n<li>Le diagnostic diff\u00e9rentiel exclut l&rsquo;\u00e9pilepsie, les accidents vasculaires c\u00e9r\u00e9braux, les troubles psychog\u00e8nes&#8230;<\/li>\n<\/ul>\n<\/div>\n<aside data-hk=\"00942120a202a1304\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<aside data-hk=\"00942120a202a1404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a202a150\" id=\"wenn-sie-selbst-ohnm\u00e4chtig-zu-werden-drohen\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Si vous risquez de vous \u00e9vanouir<\/h2>\n<p>Dans de nombreux cas, vous vous sentirez \u00e9tourdi et noir avant de vous \u00e9vanouir. Si vous remarquez les signes, vous pouvez agir vous-m\u00eame : asseyez-vous, de pr\u00e9f\u00e9rence par terre. Vous ne pourrez alors plus tomber et \u00e9ventuellement vous blesser. Les vertiges disparaissent g\u00e9n\u00e9ralement simplement en s&rsquo;asseyant. Si ce n\u2019est pas le cas, allongez-vous \u00e0 plat sur le sol, les jambes relev\u00e9es. Dans cette position, le sang peut circuler plus facilement vers la t\u00eate.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-6\" data-orientation=\"hor\" data-index=\"6\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a170\" id=\"ohnmacht-so-k\u00f6nnen-sie-helfen\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Impuissance\u00a0: voici comment vous pouvez aider<\/h2>\n<p>Si vous n&rsquo;\u00eates pas vous-m\u00eame concern\u00e9, vous pouvez aider une personne qui s&rsquo;est \u00e9vanouie de la m\u00eame mani\u00e8re : allongez-la \u00e0 plat sur le sol et soulevez ses jambes. Il n\u2019y a g\u00e9n\u00e9ralement aucune raison de paniquer. D\u00e8s que le cerveau est \u00e0 nouveau suffisamment approvisionn\u00e9 en sang, la personne inconsciente se r\u00e9veille d&rsquo;elle-m\u00eame. Cela ne prend g\u00e9n\u00e9ralement que quelques instants.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a180\" id=\"ohnmacht-so-k\u00f6nnen-sie-helfen\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Vous devez vous assurer que la personne inconsciente peut respirer sans entrave. Un \u00e9tirement l\u00e9ger et prudent de la t\u00eate \u00e9vite que la langue ne glisse dans la gorge et rende ainsi la respiration plus difficile. Si la personne vomit, tournez la t\u00eate sur le c\u00f4t\u00e9. Cela emp\u00eachera les vomissements ou tout autre liquide de p\u00e9n\u00e9trer dans les poumons.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a190\" id=\"ohnmacht-so-k\u00f6nnen-sie-helfen\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Il est pr\u00e9f\u00e9rable de toujours appeler le 911 si vous vous \u00e9vanouissez. Si la personne qui s\u2019est \u00e9vanouie ne s\u2019est pas r\u00e9veill\u00e9e d\u2019elle-m\u00eame apr\u00e8s une minute, il ne s\u2019agit peut-\u00eatre pas d\u2019une simple crise d\u2019\u00e9vanouissement. Il peut y avoir un autre probl\u00e8me de sant\u00e9 ici.<\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table des mati\u00e8res Syncope\u00a0: causes de l&rsquo;\u00e9vanouissement Autres causes de syncope \u00c9vanouissement d\u00fb \u00e0 un<\/p>\n","protected":false},"author":1,"featured_media":14985,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[311,1135,9268,284,9267],"class_list":["post-14984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-aide","tag-crise","tag-devanouissement","tag-dune","tag-syncope","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Syncope : aide et causes d&#039;une crise d&#039;\u00e9vanouissement - 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Depuis plus de dix ans, j'explore et rapporte les histoires poignantes des individus confront\u00e9s \u00e0 ces d\u00e9fis, tout en sensibilisant le public aux traitements novateurs et aux progr\u00e8s scientifiques dans ce domaine. 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