{"id":1777,"date":"2019-05-28T11:24:13","date_gmt":"2019-05-28T09:24:13","guid":{"rendered":"http:\/\/vet-ecg.ddns.net\/?page_id=1777"},"modified":"2019-12-07T22:16:32","modified_gmt":"2019-12-07T21:16:32","slug":"valvulopathies","status":"publish","type":"page","link":"http:\/\/vet-ecg.ddns.net\/index.php\/valvulopathies\/","title":{"rendered":"Valvulopathies"},"content":{"rendered":"\n<p>Les valvulopathies canines (maladie valvulaire d\u00e9g\u00e9n\u00e9rative, anciennement appel\u00e9e endocardiose) sont les pathologies cardiaques les plus fr\u00e9quemment rencontr\u00e9es chez les chiens de petites tailles.<\/p>\n\n\n\n<p>L&rsquo;\u00e2ge d&rsquo;apparition est variable. Il peut \u00eatre tr\u00e8s pr\u00e9coce dans certaines races de chiens (cavalier king charles).<\/p>\n\n\n\n<p>Les valvulopathies touchent g\u00e9n\u00e9ralement simultan\u00e9ment  les valvules mitrales et tricuspides.<\/p>\n\n\n\n<p>Au d\u00e9but de la maladie il y a un simple \u00e9paississement des valves ou une forme anormale de celles-ci pendant la fermeture. <\/p>\n\n\n\n<p>Lorsque la maladie progresse, une alt\u00e9ration de la cin\u00e9tique apparait, cons\u00e9quence d&rsquo;une rupture plus ou moins compl\u00e8te des cordages tendineux.<\/p>\n\n\n\n<p>Il n&rsquo;existe pas de trac\u00e9 sp\u00e9cifique aux valvulopathies. <\/p>\n\n\n\n<p>Ainsi la maladie d\u00e9butante passe-t-elle souvent inaper\u00e7ue \u00e0 l&rsquo;ECG. La persistance de l&rsquo;arythmie respiratoire est la r\u00e8gle. Parfois on enregistre quelques extrasystoles atriales isol\u00e9es lorsqu&rsquo;un tonus vagal est marqu\u00e9.<\/p>\n\n\n\n<p>Le trac\u00e9 se modifie lorsque la maladie entre dans sa phase congestive.<\/p>\n\n\n\n<p>Le remodelage des cavit\u00e9s devient perceptible. Les QRS gagnent en amplitude et\/ou en dur\u00e9e. La fr\u00e9quence du rythme cardiaque augmente et des troubles du rythme, principalement supraventriculaire, peuvent apparaitre (principalement fibrillation atriale).<\/p>\n\n\n\n<p>On notera cependant que ces modifications de QRS sont moins prononc\u00e9es que dans les cardiomyopathies dilat\u00e9es o\u00f9 les troubles du rythme ventriculaire sont fr\u00e9quents (salves d&rsquo;extrasystoles ventriculaires, tachycardies ventriculaires).<\/p>\n\n\n<p>L&rsquo;interpr\u00e9tation des \u00e9lectrocardiogrammes doit tenir compte de la th\u00e9rapeutique d\u00e9j\u00e0 mise en \u0153uvre lors de l&rsquo;examen. Certaines mol\u00e9cules modifient plus ou moins profond\u00e9ment les trac\u00e9s:<\/p>\n<p>Amiodarone, b\u00eata-bloquants, cortico\u00efdes, digoxine, diur\u00e9tiques \u00e0 hautes doses, fl\u00e9ca\u00efne, ivabradine, pimobendane, quinidine, etc&#8230; sont susceptibles de modifier la fr\u00e9quence cardiaque, la conduction et l&rsquo;aspect des QRS.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les valvulopathies canines (maladie valvulaire d\u00e9g\u00e9n\u00e9rative, anciennement appel\u00e9e endocardiose) sont les pathologies cardiaques les plus fr\u00e9quemment rencontr\u00e9es chez les chiens de petites tailles. L&rsquo;\u00e2ge d&rsquo;apparition est variable. Il peut \u00eatre tr\u00e8s pr\u00e9coce dans certaines races de chiens (cavalier king charles). Les valvulopathies touchent g\u00e9n\u00e9ralement simultan\u00e9ment les valvules mitrales et tricuspides. Au d\u00e9but de la maladie &hellip; <a href=\"http:\/\/vet-ecg.ddns.net\/index.php\/valvulopathies\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Valvulopathies<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1777","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Valvulopathies - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire<\/title>\n<meta name=\"description\" content=\"Les valvulopathies sont la pathologie la plus fr\u00e9quement rencontr\u00e9e chez les chiens de petit format. Une fibrillation accompagne souvent la phase congestive\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/vet-ecg.ddns.net\/index.php\/valvulopathies\/\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/valvulopathies\\\/\",\"url\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/valvulopathies\\\/\",\"name\":\"Valvulopathies - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#website\"},\"datePublished\":\"2019-05-28T09:24:13+00:00\",\"dateModified\":\"2019-12-07T21:16:32+00:00\",\"description\":\"Les valvulopathies sont la pathologie la plus fr\u00e9quement rencontr\u00e9e chez les chiens de petit format. 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