{"id":1250,"date":"2018-12-12T10:13:42","date_gmt":"2018-12-12T09:13:42","guid":{"rendered":"http:\/\/192.168.1.104\/?page_id=1250"},"modified":"2019-10-16T11:28:56","modified_gmt":"2019-10-16T09:28:56","slug":"extrasystole-atriale-isolee","status":"publish","type":"page","link":"http:\/\/vet-ecg.ddns.net\/index.php\/extrasystole-atriale-isolee\/","title":{"rendered":"Extrasystole atriale isol\u00e9e"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"http:\/\/vet-ecg.ddns.net\/wp-content\/uploads\/esa-isolee-1.jpg\" alt=\"extrasystole atriale\" class=\"wp-image-1291\"\/><figcaption>extrasystole atriale suivie d&rsquo;un repos compensateur<\/figcaption><\/figure>\n\n\n\n<p>Ce trac\u00e9 est celui d&rsquo;un chien de 8 kg atteint de maladie valvulaire d\u00e9g\u00e9n\u00e9rative avanc\u00e9e (stade 3).<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Le rythme est celui d&rsquo;une tachycardie sinusale \u00e0 185 battements par minute.<br>L&rsquo;extrasystole atriale (ESA) est le deuxi\u00e8me complexe figurant dans le cadre rouge.<\/p>\n\n\n\n<p>L&rsquo;onde P qui pr\u00e9c\u00e8de cette extrasystole est \u00e0 peine visible. En raison de sa pr\u00e9maturit\u00e9, l&rsquo;onde P se confond avec l&rsquo;onde T pr\u00e9c\u00e9dente et vient en d\u00e9former la pente descendante.<\/p>\n\n\n\n<p>Comme on le voit dans l&rsquo;encadr\u00e9, cette ESA est suivied&rsquo;un repos compensateur.<\/p>\n\n\n\n<p>Parfois, il est impossible de distinguer l&rsquo;onde P. On utilisera alors le terme d&rsquo;extrasystole supraventriculaire, sous r\u00e9serve que le QRS soit fin. En effet, on ne pourra pas la distinguer d&rsquo;une extrasystole jonctionnelle. <\/p>\n\n\n\n<p>Cette extrasystole isol\u00e9e, associ\u00e9e \u00e0 une dur\u00e9e de l&rsquo;onde P nettement augment\u00e9e (>60 ms) et \u00e0 un temps de conduction atrioventriculaire relativement long (PR: 90 ms pour une fr\u00e9quence de 185 bpm) laisse craindre un possible passage en fibrillation atriale.<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce trac\u00e9 est celui d&rsquo;un chien de 8 kg atteint de maladie valvulaire d\u00e9g\u00e9n\u00e9rative avanc\u00e9e (stade 3). Le rythme est celui d&rsquo;une tachycardie sinusale \u00e0 185 battements par minute.L&rsquo;extrasystole atriale (ESA) est le deuxi\u00e8me complexe figurant dans le cadre rouge. L&rsquo;onde P qui pr\u00e9c\u00e8de cette extrasystole est \u00e0 peine visible. En raison de sa pr\u00e9maturit\u00e9, &hellip; <a href=\"http:\/\/vet-ecg.ddns.net\/index.php\/extrasystole-atriale-isolee\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Extrasystole atriale isol\u00e9e<\/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-1250","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>Extrasystole atriale isol\u00e9e - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire<\/title>\n<meta name=\"description\" content=\"Extrasystole atriale isol\u00e9e suivie de repos compensateur dans un contexte de valvulopathie avanc\u00e9e. 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