{"id":3619,"date":"2025-10-08T18:52:36","date_gmt":"2025-10-08T18:52:36","guid":{"rendered":"https:\/\/cardiocases.com\/?page_id=3619"},"modified":"2026-01-02T11:24:21","modified_gmt":"2026-01-02T11:24:21","slug":"atrial-arrhythmia-management-abbott","status":"publish","type":"page","link":"https:\/\/cardiocases.com\/fr\/pacing-defibrillation\/devices-per-company\/abbott\/atrial-arrhythmia-management-abbott\/","title":{"rendered":"Atrial arrhythmia management Abbott"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3619\" class=\"elementor elementor-3619\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c40d5d e-con-full e-flex e-con e-parent\" data-id=\"6c40d5d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7d17ae elementor-widget elementor-widget-heading\" data-id=\"a7d17ae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Abbott - Gestion de l'arythmie auriculaire<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8937508 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"8937508\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-circle\\&quot; viewBox=\\&quot;0 0 512 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tG\u00e9n\u00e9ralit\u00e9s\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__8937508\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__8937508\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__8937508\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a65944 elementor-widget elementor-widget-heading\" data-id=\"0a65944\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Changement de mode d\u00fb \u00e0 des arythmies auriculaires<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e44653f elementor-widget elementor-widget-text-editor\" data-id=\"e44653f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Algorithme de changement de mode<\/strong><\/p><p>La commutation automatique de mode (AMS) se produit lorsque la fr\u00e9quence auriculaire filtr\u00e9e d\u00e9passe le taux de d\u00e9tection de tachycardie auriculaire (ATDR).<\/p><p>L'ACM utilise une fr\u00e9quence auriculaire filtr\u00e9e, plut\u00f4t qu'une fr\u00e9quence instantan\u00e9e, bas\u00e9e sur une comparaison de la fr\u00e9quence auriculaire actuelle avec une fr\u00e9quence moyenne continuellement mise \u00e0 jour, afin de faire la distinction entre une tachycardie soutenue et des cycles rapides intermittents.<\/p><p>Lorsque la fr\u00e9quence auriculaire filtr\u00e9e d\u00e9passe la valeur ADFR programm\u00e9e, l'appareil passe en mode DDI(R) ou VVI(R).<\/p><p>L'appareil mesure l'intervalle PP instantan\u00e9 \u00e0 chaque cycle.<\/p><p>Il calcule un intervalle atrial filtr\u00e9 (IAF) suivant la r\u00e8gle suivante :<\/p><ul><li>Si PP instantan\u00e9  \u2264 IAF : IAF d\u00e9cr\u00e9ment\u00e9 de 38 ms<\/li><li>Si PP instantan\u00e9 &gt; IAF : IAF incr\u00e9ment\u00e9 de 25 ms<\/li><\/ul><p>La commutation de mode se produit d\u00e8s que l'intervalle auriculaire filtr\u00e9 devient plus court que l'intervalle de d\u00e9tection de la tachycardie auriculaire.<\/p><p>Lors du changement de mode, la fr\u00e9quence de stimulation correspond \u00e0 la fr\u00e9quence de base de l'AMS (programmable ind\u00e9pendamment de la fr\u00e9quence de base) ou \u00e0 la fr\u00e9quence indiqu\u00e9e par le capteur (fr\u00e9quence esclave).<\/p><p>Le retour au mode synchrone n'est possible que si la fr\u00e9quence auriculaire tombe en dessous de la fr\u00e9quence synchrone maximale (FAI &gt; intervalle de fr\u00e9quence synchrone maximale).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48eea99 elementor-widget elementor-widget-image\" data-id=\"48eea99\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a11.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a11\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU3MSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExMS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"526\" height=\"259\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a11.png\" class=\"attachment-large size-large wp-image-6571\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a11.png 526w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a11-300x148.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a11-18x9.png 18w\" sizes=\"(max-width: 526px) 100vw, 526px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-88ffaf3 elementor-widget elementor-widget-text-editor\" data-id=\"88ffaf3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Exemple : intervalle de d\u00e9tection d'une tachycardie auriculaire \u00e0 180 min-\u00b9 \/ 333 ms<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c654343 elementor-widget elementor-widget-image\" data-id=\"c654343\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a12.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a12\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU3MCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExMi5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"551\" height=\"468\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a12.png\" class=\"attachment-large size-large wp-image-6570\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a12.png 551w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a12-300x255.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a12-14x12.png 14w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-438d510 elementor-widget elementor-widget-text-editor\" data-id=\"438d510\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Programmation<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0060fb6 elementor-widget elementor-widget-image\" data-id=\"0060fb6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a13.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a13\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2OSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExMy5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"486\" height=\"222\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a13.png\" class=\"attachment-large size-large wp-image-6569\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a13.png 486w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a13-300x137.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a13-18x8.png 18w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d7f357 elementor-widget elementor-widget-text-editor\" data-id=\"2d7f357\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Enregistrement d'un \u00e9pisode AT\/AF<\/p><p>Le crit\u00e8re d'enregistrement des \u00e9pisodes d'AT\/AF utilise l'intervalle de d\u00e9tection de la tachycardie auriculaire (ATDI). La m\u00e9thode de calcul de l'intervalle auriculaire filtr\u00e9 (FAI) est identique.<\/p><p>Pour enregistrer un \u00e9pisode, il doit y avoir 4 cycles cons\u00e9cutifs avec un intervalle PP et un FAI inf\u00e9rieurs \u00e0 l'ADTI. Ces cycles cons\u00e9cutifs emp\u00eachent l'enregistrement d'\u00e9pisodes d'AMS lors de l'\u00e9coute crois\u00e9e (alternance de cycles courts et longs pouvant provoquer l'AMS mais pas l'enregistrement de l'\u00e9pisode car il n'y a pas de cycles courts cons\u00e9cutifs). Le crit\u00e8re d'AMS est plus sensible que le crit\u00e8re d'enregistrement, qui est plus sp\u00e9cifique. Huit cycles avec un intervalle PP et un FAI sup\u00e9rieur \u00e0 l'IDTA sont alors n\u00e9cessaires pour que l'\u00e9pisode soit complet (deux \u00e9pisodes espac\u00e9s de moins de 20 secondes sont consid\u00e9r\u00e9s comme un seul \u00e9pisode d'AT\/AF).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38ea40f elementor-widget elementor-widget-image\" data-id=\"38ea40f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a14.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a14\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2OCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExNC5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"710\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a14.png\" class=\"attachment-large size-large wp-image-6568\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a14.png 679w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a14-287x300.png 287w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a14-11x12.png 11w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5dff1e elementor-widget elementor-widget-image\" data-id=\"b5dff1e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a15.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a15\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2NywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExNS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"487\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a15.png\" class=\"attachment-large size-large wp-image-6567\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a15.png 671w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a15-300x218.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a15-18x12.png 18w\" sizes=\"(max-width: 671px) 100vw, 671px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7a9306 elementor-widget elementor-widget-text-editor\" data-id=\"c7a9306\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Charge de travail de l'AF<\/strong><\/p><p>Le fardeau de l'AT\/AF est le pourcentage de temps pass\u00e9 en AT\/AF sur une p\u00e9riode de 52 semaines. Chaque point de donn\u00e9es sur le graphique repr\u00e9sente le pourcentage de temps pass\u00e9 en AT\/AF par le patient sur une p\u00e9riode de sept jours.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2157d41 elementor-widget elementor-widget-image\" data-id=\"2157d41\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a16.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_a16\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2NiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ExNi5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"347\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a16.png\" class=\"attachment-large size-large wp-image-6566\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a16.png 686w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a16-300x152.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_a16-18x9.png 18w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14991d2 elementor-widget elementor-widget-heading\" data-id=\"14991d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Gestion du flutter auriculaire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57a84a6 elementor-widget elementor-widget-text-editor\" data-id=\"57a84a6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Il n'existe pas d'algorithme de ce type ; lorsqu'un flutter 2\/1 se produit, il est n\u00e9cessaire de raccourcir la dur\u00e9e de la p\u00e9riode de suppression auriculaire apr\u00e8s la stimulation ventriculaire.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9536a3 elementor-widget elementor-widget-heading\" data-id=\"e9536a3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Algorithme de pr\u00e9vention de la fibrillation auriculaire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2142763 elementor-widget elementor-widget-text-editor\" data-id=\"2142763\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Il n'existe pas d'algorithme de ce type ; lorsque le flottement 2:1 se produit, l'AF Suppression\u2122 est n\u00e9cessaire.<\/p><p>L'algorithme AF Suppression\u2122 permet \u00e0 l'appareil de stimuler l'oreillette \u00e0 des rythmes plus rapides que le rythme auriculaire intrins\u00e8que (overdrive).<\/p><p>Lorsque l'algorithme d\u00e9tecte deux ondes P dans une fen\u00eatre de 16 cycles, l'appareil augmente la fr\u00e9quence de stimulation pour neutraliser la conduction spontan\u00e9e. Apr\u00e8s avoir stimul\u00e9 \u00e0 la fr\u00e9quence de l'algorithme de suppression de la FA pendant le nombre de cycles sp\u00e9cifi\u00e9 par le param\u00e8tre Cycles de surmultiplication (15 \u00e0 40 ; valeur nominale 15), l'appareil ralentit sa fr\u00e9quence jusqu'\u00e0 ce qu'il d\u00e9tecte deux nouvelles ondes P. Si deux ondes P sont d\u00e9tect\u00e9es, il revient \u00e0 une stimulation rapide (surmultiplication). Si deux ondes P sont d\u00e9tect\u00e9es, il revient \u00e0 une stimulation rapide (overdrive). S'il ne d\u00e9tecte pas deux ondes P, la stimulation reprend en fonction du r\u00e9glage de la fr\u00e9quence de base, de la fr\u00e9quence de repos ou de la fr\u00e9quence du capteur.<\/p><p>Calcul de la fr\u00e9quence d\u2019overdrive: pour des fr\u00e9quences de simulation 151 bpm, overdrive fixe de 5 bpm (= fr\u00e9quence maximale d\u2019overdrive); pour des fr\u00e9quences situ\u00e9es entre 60 et 150 bpm, l\u2019algorithme AF Suppression augmente la fr\u00e9quence de stimulation d\u2019un delta compris entre la fr\u00e9quence minimale d\u2019overdrive et la fr\u00e9quence maximale d\u2019overdrive.<\/p><p>Programmable d\u00e9termine l'intervalle et la pente de r\u00e9duction de la fr\u00e9quence d'overdrive \u00e0 la fr\u00e9quence de base, \u00e0 la fr\u00e9quence de repos ou \u00e0 la fr\u00e9quence indiqu\u00e9e par le capteur. Si la fr\u00e9quence d'overdrive est sup\u00e9rieure \u00e0 100 bpm, 8 ms sont ajout\u00e9es \u00e0 chaque cycle jusqu'\u00e0 100 bpm, puis +12 ms jusqu'\u00e0 la fr\u00e9quence de base.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b52354 elementor-widget elementor-widget-image\" data-id=\"7b52354\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa9.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_fa9\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2NSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ZhOS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"215\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa9.png\" class=\"attachment-large size-large wp-image-6565\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa9.png 512w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa9-300x126.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa9-18x8.png 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5471402 elementor-widget elementor-widget-image\" data-id=\"5471402\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa10.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"pm_19_situations_arythmies_fa10\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjU2NCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL3BtXzE5X3NpdHVhdGlvbnNfYXJ5dGhtaWVzX2ZhMTAucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"491\" height=\"832\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa10.png\" class=\"attachment-large size-large wp-image-6564\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa10.png 491w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa10-177x300.png 177w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/pm_19_situations_arythmies_fa10-7x12.png 7w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Abbott &#8211; Atrial arrhythmia management Content Mode-switch due to atrial arrhythmias Mode-switch algorithm Automatic mode switching (AMS) occurs when the filtered atrial rate exceeds the atrial tachycardia detection rate (ATDR). ACM uses a filtered atrial rate, rather than an instantaneous rate, based on a comparison of the current atrial rate with a continuously updated average [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":47,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3619","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Abbott Pacemaker Atrial Arrhythmia Mgmt | Cardiocases<\/title>\n<meta name=\"description\" content=\"Abbott pacemaker mode switch &amp; atrial arrhythmia management \u2014 programming, ECG recognition &amp; tips.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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