{"id":10139,"date":"2026-04-02T19:19:49","date_gmt":"2026-04-02T19:19:49","guid":{"rendered":"https:\/\/cardiocases.com\/?post_type=ecg_case&#038;p=10139"},"modified":"2026-04-09T09:49:39","modified_gmt":"2026-04-09T09:49:39","slug":"trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale","status":"publish","type":"ecg_case","link":"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/","title":{"rendered":"Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale"},"content":{"rendered":"","protected":false},"featured_media":10430,"template":"","ecg_case_type":[253],"language_ecgcase":[259],"class_list":["post-10139","ecg_case","type-ecg_case","status-publish","has-post-thumbnail","hentry","ecg_case_type-cardiac-pacing","language_ecgcase-french"],"acf":{"ecg_case_title":"Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale","patient_description":"M\u00eame patient que pour le trac\u00e9 pr\u00e9c\u00e9dent","quiz_question":"Concernant cet ECG, quelle(s) est(sont) la(les) r\u00e9ponse(s) vraie(s)?","quiz_answer_1":"initialement, absence de repli sur arythmie atriale","quiz_answer_2":"repli en fin de trac\u00e9","quiz_answer_3":"tachycardie sinusale","quiz_answer_4":"tachycardie par r\u00e9entr\u00e9e \u00e9lectronique","quiz_answer_5":"tachycardie ventriculaire","correct_answer":["A","B"],"ecg_image":10430,"ecg_description":"Trac\u00e9 initialement identique au pr\u00e9c\u00e9dent; r\u00e9gularisation du rythme ventriculaire avec baisse de la fr\u00e9quence de stimulation;","ecg_info_box":"Un algorithme de repli (dont les caract\u00e9ristiques varient en fonction des constructeurs) n\u00e9cessite la survenue d\u2019un certain nombre de cycles atriaux rapides pour arriver au diagnostic d\u2019arythmie atriale et basculer vers un mode asynchrone. Il est donc fr\u00e9quent d\u2019observer quelques cycles de stimulation ventriculaire rapide au d\u00e9but d\u2019un \u00e9pisode de fibrillation auriculaire.","commentary_ecg":"-","ecg_info_post_answer":"&nbsp;\r\n\r\n<img class=\"alignnone wp-image-10431 size-full\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg2.png\" alt=\"\" width=\"877\" height=\"783\" \/>\r\n\r\n<strong>Description trac\u00e9<\/strong>\r\n\r\nL\u2019EGM montre le ralentissement et la r\u00e9gularisation de la fr\u00e9quence de stimulation \u00e0 la suite de la programmation de l\u2019algorithme de commutation de mode;\r\n\r\n&nbsp;\r\n\r\n<strong>Commentaires<\/strong>\r\n\r\nCes trac\u00e9s montrent le fonctionnement normal d\u2019un stimulateur double chambre lors d\u2019un \u00e9pisode de fibrillation auriculaire; la programmation de la commutation de mode permet un retour \u00e0 une fr\u00e9quence cardiaque plus physiologique que sur les trac\u00e9s pr\u00e9c\u00e9dents. Pour \u00e9viter une chute brutale de la fr\u00e9quence ventriculaire, le retour \u00e0 la fr\u00e9quence de base ou \u00e0 la fr\u00e9quence asservie est progressif.\r\n\r\nL\u2019algorithme de commutation de mode id\u00e9al pr\u00e9sente les caract\u00e9ristiques suivantes : 1) d\u00e9clenchement rapide pour \u00e9viter une stimulation ventriculaire rapide prolong\u00e9e durant la phase de d\u00e9tection initiale de l\u2019arythmie 2) capacit\u00e9 de rebasculer rapidement vers un mode synchrone \u00e0 la fin de l\u2019\u00e9pisode d\u2019arythmie 3) bonne capacit\u00e9 de diagnostic de l\u2019arythmie atriale m\u00eame en pr\u00e9sence de signaux atriaux d\u2019amplitude et de fr\u00e9quence variables 4) capacit\u00e9 d\u2019\u00e9viter les commutations de mode en r\u00e9ponse \u00e0 une \u00e9coute crois\u00e9e, un bruit ou une tachycardie sinusale.\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n<img class=\"alignnone wp-image-10432 size-full\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg3.png\" alt=\"\" width=\"873\" height=\"769\" \/>\r\n\r\n<strong>Description trac\u00e9<\/strong>\r\n\r\nL\u2019EGM confirme le diagnostic de FA conduite avec quelques cycles stimul\u00e9s quand la fr\u00e9quence atteint la fr\u00e9quence minimale programm\u00e9e;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n<img class=\"alignnone wp-image-10433 size-large\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg4-1024x610.png\" alt=\"\" width=\"800\" height=\"477\" \/>\r\n\r\n<strong>Description trac\u00e9<\/strong>\r\n\r\nLe ralentissement de la fr\u00e9quence de stimulation permet la r\u00e9apparition du rythme spontan\u00e9; l\u2019allongement des diastoles ventriculaires permet de mieux visualiser la d\u00e9tection d\u2019une arythmie atriale rapide et d\u00e9sorganis\u00e9e; la stimulation ventriculaire ne survient plus que sur les quelques diastoles longues (FA lente);"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale - Cardiocases<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale - Cardiocases\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardiocases\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-09T09:49:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg-3-1024x619.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"619\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\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\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/\",\"url\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/\",\"name\":\"Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale - Cardiocases\",\"isPartOf\":{\"@id\":\"https:\/\/cardiocases.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg-3.png\",\"datePublished\":\"2026-04-02T19:19:49+00:00\",\"dateModified\":\"2026-04-09T09:49:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/#primaryimage\",\"url\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg-3.png\",\"contentUrl\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-4-12-ecg-3.png\",\"width\":2150,\"height\":1299},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-4-12-programmation-de-lalgorithme-de-repli-sur-arythmie-atriale\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/cardiocases.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trac\u00e9 4.12: Programmation de l\u2019algorithme de repli sur arythmie atriale\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cardiocases.com\/#website\",\"url\":\"https:\/\/cardiocases.com\/\",\"name\":\"Cardiocases\",\"description\":\"Real cardiac device traces, pacemaker &amp; 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