{"id":1751,"date":"2019-05-21T19:00:29","date_gmt":"2019-05-21T17:00:29","guid":{"rendered":"http:\/\/192.168.1.104\/?page_id=1751"},"modified":"2019-11-30T22:27:46","modified_gmt":"2019-11-30T21:27:46","slug":"pathologie-du-coeur-droit-2","status":"publish","type":"page","link":"http:\/\/vet-ecg.ddns.net\/index.php\/pathologie-du-coeur-droit-2\/","title":{"rendered":"Pathologie du coeur droit."},"content":{"rendered":"<p>Si les pathologies tr\u00e8s \u00e9volu\u00e9es du c\u0153ur droit (st\u00e9noses pulmonaires serr\u00e9es) sont faciles \u00e0 rep\u00e9rer sur un trac\u00e9, il n&rsquo;en est pas forc\u00e9ment de m\u00eame lorsque le remodelage du c\u0153ur droit est discret. C&rsquo;est notamment le cas lors de pathologies des voies respiratoires:<\/p>\n<ul>\n<li>hypoxie chronique chez les races brachyc\u00e9phales<\/li>\n<li>fibrose pulmonaire du westh highland terrier<\/li>\n<li>flaccidit\u00e9 trach\u00e9ale<\/li>\n<li>hypertension art\u00e9rielle pulmonaire<\/li>\n<li>bronchopneumopathie<\/li>\n<\/ul>\n<p>L&rsquo;hypertrophie ventriculaire droite (HVD) majeure est caract\u00e9ris\u00e9e par des QRS dont la polarit\u00e9 dominante est n\u00e9gative en D1: \u00c2QRS compris entre 100 et 180\u00b0.<\/p>\n<p>La masse du ventricule droit (VD) \u00e9tant beaucoup plus faible que celle du ventricule gauche, les vecteurs issus du VD sont masqu\u00e9s par ceux provenant du VG dans les d\u00e9rivations frontales.<\/p>\n<p>Il faut que le remodelage soit d\u00e9j\u00e0 bien install\u00e9 (hypertrophie du VD) pour \u00eatre visualis\u00e9. Ainsi\u00a0 des ondes S pr\u00e9sentes en D1 et\/ou D2 sont-elles d\u00e9j\u00e0 \u00e9vocatrices de pathologie du c\u0153ur droit.<\/p>\n<p>La d\u00e9viation axiale droite est rarement pr\u00e9sente dans les pathologies d\u00e9butantes; en revanche, il est fr\u00e9quemment observ\u00e9 une repolarisation atriale (habituellement invisible) caract\u00e9ris\u00e9e par un segment PQ oblique.<\/p>\n<p>L&rsquo;onde P pulmonaire (pointue et hypervolt\u00e9e) est un indice fiable d&rsquo;hypertrophie auriculaire droite, fr\u00e9quemment rencontr\u00e9e dans l&rsquo;hypertension art\u00e9rielle pulmonaire.<\/p>\n<p>Enfin, le temps d&rsquo;inscription de l&rsquo;onde R (d\u00e9flexion intrins\u00e9co\u00efde) est significativement moins augment\u00e9 que dans les cardiopathies touchant le c\u0153ur gauche.<\/p>\n<p>Les signes de c\u0153ur droit seront d&rsquo;autant plus difficiles \u00e0 visualiser qu&rsquo;une hypertrophie ventriculaire gauche est pr\u00e9sente.<\/p>\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group__inner-container\"><\/div><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si les pathologies tr\u00e8s \u00e9volu\u00e9es du c\u0153ur droit (st\u00e9noses pulmonaires serr\u00e9es) sont faciles \u00e0 rep\u00e9rer sur un trac\u00e9, il n&rsquo;en est pas forc\u00e9ment de m\u00eame lorsque le remodelage du c\u0153ur droit est discret. C&rsquo;est notamment le cas lors de pathologies des voies respiratoires: hypoxie chronique chez les races brachyc\u00e9phales fibrose pulmonaire du westh highland terrier &hellip; <a href=\"http:\/\/vet-ecg.ddns.net\/index.php\/pathologie-du-coeur-droit-2\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Pathologie du coeur droit.<\/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-1751","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>Pathologie du coeur droit. - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire<\/title>\n<meta name=\"description\" content=\"Recherche des signes ECG de coeur droit: Ondes S en D1 et D2, Ondes P pointues et hypervolt\u00e9es, sous-d\u00e9calage du segment PR.\" \/>\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\/pathologie-du-coeur-droit-2\/\" \/>\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\\\/pathologie-du-coeur-droit-2\\\/\",\"url\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/pathologie-du-coeur-droit-2\\\/\",\"name\":\"Pathologie du coeur droit. - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#website\"},\"datePublished\":\"2019-05-21T17:00:29+00:00\",\"dateModified\":\"2019-11-30T21:27:46+00:00\",\"description\":\"Recherche des signes ECG de coeur droit: Ondes S en D1 et D2, Ondes P pointues et hypervolt\u00e9es, sous-d\u00e9calage du segment PR.\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/pathologie-du-coeur-droit-2\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/pathologie-du-coeur-droit-2\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/index.php\\\/pathologie-du-coeur-droit-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pathologie du coeur droit.\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#website\",\"url\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/\",\"name\":\"Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire\",\"description\":\"recueil d&#039;ECG de chiens et de chats\",\"publisher\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#\\\/schema\\\/person\\\/fec4070a47e235fed904fab73cae00b4\"},\"alternateName\":\"\u00e9lectrocardiographie v\u00e9t\u00e9rinaire\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/#\\\/schema\\\/person\\\/fec4070a47e235fed904fab73cae00b4\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/Zelda-2-ECG-248.jpg\",\"url\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/Zelda-2-ECG-248.jpg\",\"contentUrl\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/Zelda-2-ECG-248.jpg\",\"width\":248,\"height\":248,\"caption\":\"admin\"},\"logo\":{\"@id\":\"http:\\\/\\\/vet-ecg.ddns.net\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/Zelda-2-ECG-248.jpg\"},\"description\":\"Les trac\u00e9s publi\u00e9s sur ce site sont issus de diff\u00e9rentes cliniques v\u00e9t\u00e9rinaires de Paris et de sa banlieue durant les 10 derni\u00e8res ann\u00e9es. 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