{"id":3110,"date":"2020-06-23T12:02:04","date_gmt":"2020-06-23T10:02:04","guid":{"rendered":"http:\/\/vet-ecg.ddns.net\/?page_id=3110"},"modified":"2020-06-23T12:05:46","modified_gmt":"2020-06-23T10:05:46","slug":"bav-2-de-haut-grade","status":"publish","type":"page","link":"http:\/\/vet-ecg.ddns.net\/index.php\/bav-2-de-haut-grade\/","title":{"rendered":"BAV-2 de haut grade"},"content":{"rendered":"\n
\"Bloc
Bloc atrioventriculaire de haut grade<\/figcaption><\/figure>\n\n\n

Ce trac\u00e9 est celui d’un caniche de 14 ans. Ce chien de 6 kg ne pr\u00e9sente pas de surpoids.<\/p>\n

L’\u00e9chocardiographie r\u00e9v\u00e8le une endocardiose valvulaire de stade 1 (ISACHC) et une l\u00e9g\u00e8re dilatation du tronc pulmonaire, t\u00e9moin d’une hypertension art\u00e9rielle pulmonaire mod\u00e9r\u00e9e.<\/p>\n

Le rythme de base est irr\u00e9gulier. La cadence ventriculaire varie de 30 \u00e0 65 bpm. La longue pause atteint 2 secondes.<\/p>\n

On remarque que plusieurs ondes P successives ne sont pas conduites (absence de d\u00e9polarisation ventriculaire), ce qui correspond \u00e0 un bloc atrioventriculaire du 2e degr\u00e9 de haut grade. Il ne s’agit pas d’un BAV-3 car certaines ondes P sont conduites.<\/p>\n

Sur le trac\u00e9 ci-dessous (m\u00eame animal) , les lignes verticales rouges mat\u00e9rialisent les ondes P.<\/p>\n

Les premiers intervalles PP sont constants (environ 11 mm soit 440 ms, 145 bpm) puis survient un intervalle PP tr\u00e8s long. Ce dernier (33 mm) est un multiple de l’intervalle de base. Cela sugg\u00e8re un possible bloc sino-atrial intermittent associ\u00e9 au BAV-2.<\/p>\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

Ce trac\u00e9 est celui d’un caniche de 14 ans. Ce chien de 6 kg ne pr\u00e9sente pas de surpoids. L’\u00e9chocardiographie r\u00e9v\u00e8le une endocardiose valvulaire de stade 1 (ISACHC) et une l\u00e9g\u00e8re dilatation du tronc pulmonaire, t\u00e9moin d’une hypertension art\u00e9rielle pulmonaire mod\u00e9r\u00e9e. Le rythme de base est irr\u00e9gulier. La cadence ventriculaire varie de 30 \u00e0 65 … Continuer la lecture de BAV-2 de haut grade<\/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-3110","page","type-page","status-publish","hentry"],"yoast_head":"\nBAV-2 de haut grade - Blog d'\u00e9lectrocardiographie v\u00e9t\u00e9rinaire<\/title>\n<meta name=\"description\" content=\"Bloc atrioventriculaire du 2e degr\u00e9 de haut grade \u00e0 conduction variable (2\/1, 3\/1). Certaines ondes P sont conduites ce qui exclut un BAV du 3e degr\u00e9.\" \/>\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\/bav-2-de-haut-grade\/\" \/>\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\\\/bav-2-de-haut-grade\\\/\",\"url\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/bav-2-de-haut-grade\\\/\",\"name\":\"BAV-2 de haut grade - Blog d'\u00e9lectrocardiographie v\u00e9t\u00e9rinaire\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/bav-2-de-haut-grade\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/bav-2-de-haut-grade\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/wp-content\\\/uploads\\\/bav2-haut-grade-1024x596.jpg\",\"datePublished\":\"2020-06-23T10:02:04+00:00\",\"dateModified\":\"2020-06-23T10:05:46+00:00\",\"description\":\"Bloc atrioventriculaire du 2e degr\u00e9 de haut grade \u00e0 conduction variable (2\\\/1, 3\\\/1). 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