{"id":1812,"date":"2019-06-04T13:06:23","date_gmt":"2019-06-04T11:06:23","guid":{"rendered":"http:\/\/vet-ecg.ddns.net\/?page_id=1812"},"modified":"2019-11-28T11:56:01","modified_gmt":"2019-11-28T10:56:01","slug":"sous-decalage-du-segment-st","status":"publish","type":"page","link":"http:\/\/vet-ecg.ddns.net\/index.php\/sous-decalage-du-segment-st\/","title":{"rendered":"sous-d\u00e9calage du segment ST"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1987\" height=\"2559\" src=\"http:\/\/vet-ecg.ddns.net\/wp-content\/uploads\/ss-decalage-ST2.jpg\" alt=\"Sous d\u00e9calage ST chez un schnauzer atteint de mvd et d'hypertension art\u00e9rielle pulmonaire\" class=\"wp-image-1813\"\/><figcaption>Sous -d\u00e9calage ST chez un schnauzer atteint de mvd (stade 2 ISACHC) et d&rsquo;hypertension art\u00e9rielle pulmonaire.<\/figcaption><\/figure>\n\n\n<p>L&rsquo;\u00e9chographie de ce schnauzer de 9 kg, pr\u00e9sent\u00e9 pour syncopes r\u00e9p\u00e9t\u00e9es, met en \u00e9vidence une maladie valvulaire d\u00e9g\u00e9n\u00e9rative de stade 2 (ISACHC) avec une rupture partielle des cordages tendineux mitraux.<\/p>\n<p>Par ailleurs, le tronc pulmonaire est dilat\u00e9.<\/p>\n<p>L&rsquo; ECG montre un rythme sinusal o\u00f9 l&rsquo;arythmie respiratoire est pr\u00e9sente (130-170 bpm).<\/p>\n<p>La variation d&rsquo;amplitude des QRS au gr\u00e9 de la respiration est bien visible en D1 et AVF.<\/p>\n<p>La dur\u00e9e de l&rsquo;onde P est l\u00e9g\u00e8rement augment\u00e9e (45 ms) et son amplitude est anormalement \u00e9lev\u00e9e (0,48 mV en D2). Par ailleurs, l&rsquo;angle form\u00e9 par son sommet est particuli\u00e8rement aigu.<\/p>\n<p>La dur\u00e9e et l&rsquo;amplitude de QRS sont habituelles (45 ms en D1 et 1,7 mV en D2).\u00a0 La morphologie des QRS se distingue par une amplitude de l&rsquo;onde Q qui atteint la limite admise habituellement (0,5 mV). Cette onde Q reste cependant fine.<\/p>\n<p>Le plus anormal de ce trac\u00e9 est le sous-d\u00e9calage du segment ST qui atteint 0,25 mV en D2.<\/p>\n<p>Par ailleurs, aucun trouble du rythme n&rsquo;a pu \u00eatre visualis\u00e9 ou suspect\u00e9.<\/p>\n<p>On peut envisager comme premi\u00e8re hypoth\u00e8se, pour expliquer ces syncopes, la pr\u00e9sence d&rsquo;une hypoxie li\u00e9e \u00e0 une hypertension pulmonaire.<\/p>\n<p>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>L&rsquo;\u00e9chographie de ce schnauzer de 9 kg, pr\u00e9sent\u00e9 pour syncopes r\u00e9p\u00e9t\u00e9es, met en \u00e9vidence une maladie valvulaire d\u00e9g\u00e9n\u00e9rative de stade 2 (ISACHC) avec une rupture partielle des cordages tendineux mitraux. Par ailleurs, le tronc pulmonaire est dilat\u00e9. L&rsquo; ECG montre un rythme sinusal o\u00f9 l&rsquo;arythmie respiratoire est pr\u00e9sente (130-170 bpm). La variation d&rsquo;amplitude des QRS &hellip; <a href=\"http:\/\/vet-ecg.ddns.net\/index.php\/sous-decalage-du-segment-st\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">sous-d\u00e9calage du segment ST<\/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-1812","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>sous-d\u00e9calage du segment ST - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire<\/title>\n<meta name=\"description\" content=\"Le plus anormal de ce trac\u00e9 est le sous-d\u00e9calage du segment ST. 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Les ECG r\u00e9alis\u00e9s ont \u00e9t\u00e9 r\u00e9alis\u00e9s sur des chiens et des chats qui ont tous b\u00e9n\u00e9fici\u00e9 d'une \u00e9chocardiographie.\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"sous-d\u00e9calage du segment ST - Blog d&#039;\u00e9lectrocardiographie v\u00e9t\u00e9rinaire","description":"Le plus anormal de ce trac\u00e9 est le sous-d\u00e9calage du segment ST. 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