{"id":736,"date":"2025-07-31T14:14:18","date_gmt":"2025-07-31T14:14:18","guid":{"rendered":"https:\/\/cardiocases.com\/?page_id=736"},"modified":"2025-11-08T17:00:35","modified_gmt":"2025-11-08T17:00:35","slug":"discrimination-medtronic","status":"publish","type":"page","link":"https:\/\/cardiocases.com\/fr\/pacing-defibrillation\/devices-per-company\/medtronic\/discrimination-medtronic\/","title":{"rendered":"Discrimination Medtronic"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"736\" class=\"elementor elementor-736\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc3151b e-con-full e-flex e-con e-parent\" data-id=\"fc3151b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-fac849a e-con-full e-flex e-con e-child\" data-id=\"fac849a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b95521 elementor-widget elementor-widget-heading\" data-id=\"0b95521\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Medtronic - Discrimination<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-867beee elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"867beee\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h3&quot;,&quot;h4&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__867beee\" 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__867beee\" 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__867beee\" 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-61e60bd elementor-widget elementor-widget-heading\" data-id=\"61e60bd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-345553a elementor-widget elementor-widget-text-editor\" data-id=\"345553a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Lors de la programmation d'un DAI, il convient d'accorder une attention particuli\u00e8re au risque de th\u00e9rapies inappropri\u00e9es. Les DAI modernes offrent plusieurs crit\u00e8res avanc\u00e9s qui, seuls ou combin\u00e9s, permettent de distinguer la TV de la TSV. Le crit\u00e8re de la \"fr\u00e9quence cardiaque\" ne peut pas \u00eatre utilis\u00e9 seul en toute s\u00e9curit\u00e9, car sa sp\u00e9cificit\u00e9 pour le diagnostic des tachyarythmies ventriculaires n'est que de 60%, alors que sa sensibilit\u00e9 peut \u00eatre facilement augment\u00e9e jusqu'\u00e0 100%. En outre, plus la zone de tachycardie programm\u00e9e est basse, plus sa sp\u00e9cificit\u00e9 est faible. En l'absence d'autres crit\u00e8res de discrimination, le traitement sera administr\u00e9 quelle que soit l'origine de la tachycardie. La zone FV est typiquement r\u00e9serv\u00e9e aux taux tr\u00e8s \u00e9lev\u00e9s et laiss\u00e9e sans autres crit\u00e8res interm\u00e9diaires, qui sont utilis\u00e9s uniquement dans la zone VT pour les patients susceptibles de d\u00e9velopper des taux ventriculaires tr\u00e8s rapides pendant la SVT. Ces crit\u00e8res doivent \u00eatre d\u00e9sactiv\u00e9s chez les patients pr\u00e9sentant un bloc AV complet fixe.\u00a0\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-015d46a elementor-widget elementor-widget-heading\" data-id=\"015d46a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Discrimination simple chambre<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bf2749 elementor-widget elementor-widget-text-editor\" data-id=\"7bf2749\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Dans un d\u00e9fibrillateur simple-chambre Medtronic, diff\u00e9rents crit\u00e8res de discrimination sont disponibles: le d\u00e9marrage brutal, la stabilit\u00e9 du cycle de la tachycardie et la morphologie des complexes ventriculaires.<\/p><p>Le crit\u00e8re de d\u00e9marrage brutal permet de ne pas traiter les tachycardies \u00e0 acc\u00e9l\u00e9ration progressive et est destin\u00e9 \u00e0 la discrimination des tachycardies sinusales. Il repose sur le principe qu\u2019une tachycardie sinusale commence progressivement alors qu\u2019une tachycardie ventriculaire d\u00e9bute brutalement.\n\nLe crit\u00e8re de stabilit\u00e9 permet de ne pas traiter une arythmie irr\u00e9guli\u00e8re et est destin\u00e9 \u00e0 la discrimination d\u2019une fibrillation auriculaire conduite. Il repose sur le principe que la conduction AV d\u2019une fibrillation auriculaire est g\u00e9n\u00e9ralement irr\u00e9guli\u00e8re et engendre une fr\u00e9quence ventriculaire instable alors qu\u2019une tachycardie ventriculaire est stable.\n\nLa morphologie est bas\u00e9e sur le concept de comparaison du signal ventriculaire d\u00e9tect\u00e9 lors de la tachycardie avec un \u00e9lectrogramme de r\u00e9f\u00e9rence enregistr\u00e9 en l\u2019absence de tachycardie. Ce crit\u00e8re repose sur le principe qu\u2019un complexe ventriculaire conduit durant une tachycardie supra-ventriculaire a la m\u00eame morphologie que les complexes enregistr\u00e9s en rythme sinusal. A chaque \u00e9pisode la morphologie des complexes ventriculaires est analys\u00e9e. S\u2019il est similaire au complexe de r\u00e9f\u00e9rence enregistr\u00e9 en rythme sinusal, le complexe est consid\u00e9r\u00e9 comme conduit et l\u2019\u00e9pisode est class\u00e9 \u00ab tachycardie supra-ventriculaire \u00bb.<\/p><p>\u00a0<\/p><p><strong>D\u00e9marrage brutal<\/strong><\/p><p>Le d\u00e9marrage brutal s'applique pour les TV et les TVR via TV. Il est valable lors de la d\u00e9tection initiale et non lors de la red\u00e9tection.\n\nLimites du d\u00e9marrage brutal: m\u00eame si le d\u00e9but d\u2019une tachycardie ventriculaire est habituellement brutal, une tachycardie ventriculaire peut d\u00e9buter apr\u00e8s une tachycardie sinusale ou s\u2019acc\u00e9l\u00e9rer progressivement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1de8986 elementor-widget elementor-widget-image\" data-id=\"1de8986\" 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\/2025\/11\/mdtdiscr1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0MywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyMS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"210\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr1.png\" class=\"attachment-large size-large wp-image-4143\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr1.png 851w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr1-300x79.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr1-768x201.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr1-18x5.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-6357315 elementor-widget elementor-widget-text-editor\" data-id=\"6357315\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Moniteur d'apparition : le dispositif effectue tous les calculs associ\u00e9s \u00e0 l'apparition, mais ne retarde pas la d\u00e9tection.<br \/>Note : le crit\u00e8re d'apparition s'applique \u00e0 la TV et \u00e0 la FVT via la TV pendant la d\u00e9tection initiale UNIQUEMENT, et NON lors des red\u00e9tections.<\/p><p>Lors de l'apparition dans la zone VT, l'appareil mesure chaque intervalle. Si le d\u00e9but est d\u00e9tect\u00e9 comme progressif, a) les intervalles sont class\u00e9s comme VS, b) une mention \"d\u00e9but progressif\" appara\u00eet, et c) la d\u00e9tection est suspendue.<\/p><p>\u00a0<\/p><p><strong>Stabilit\u00e9<\/strong><\/p><p>Mesure de la stabilit\u00e9 quand le compteur TV comptabilise au moins 3 : un rythme est instable quand la diff\u00e9rence entre le dernier intervalle et un des 3 intervalles pr\u00e9c\u00e9dents est sup\u00e9rieure \u00e0 l'intervalle de stabilit\u00e9 programm\u00e9. Si l\u2019\u00e9v\u00e8nement est class\u00e9 comme instable, l\u2019appareil consid\u00e8re qu\u2019il s\u2019agit d\u2019une TSV et le compteur de TV est remis \u00e0 0.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6557c3e elementor-widget elementor-widget-image\" data-id=\"6557c3e\" 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\/2025\/11\/mdtdiscr4.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0NCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyNC5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"239\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr4.png\" class=\"attachment-large size-large wp-image-4144\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr4.png 885w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr4-300x89.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr4-768x229.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr4-18x5.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-709b56e elementor-widget elementor-widget-text-editor\" data-id=\"709b56e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La stabilit\u00e9 s'applique pour les TV et les TVR via TV. Elle est valable lors de la d\u00e9tection initiale et lors de la red\u00e9tection.<br \/>Lorsque le compteur d'\u00e9v\u00e9nements VT atteint 3, le crit\u00e8re de stabilit\u00e9 est rempli.<\/p><p>Limites de la stabilit\u00e9 : le caract\u00e8re r\u00e9gulier ou irr\u00e9gulier de la tachycardie est imparfaitement discriminant car une fibrillation auriculaire rapide (&gt; 180 battements\/minute) est habituellement r\u00e9guli\u00e8re et certaines tachycardies ventriculaires sont polymorphes et irr\u00e9guli\u00e8res en d\u00e9but d\u2018\u00e9pisode.<\/p><p>\u00a0<\/p><p><strong>Morpholog<\/strong><\/p><p>Comparaison des 8 complexes QRS pr\u00e9c\u00e9dant la d\u00e9tection de la tachycardie \u00e0 une morphologie de r\u00e9f\u00e9rence.<\/p><p>Au moins 6 des 8 derniers complexes diff\u00e8rent de la morphologie de r\u00e9f\u00e9rence =&gt; d\u00e9tection de TV.\nMoins de 6 complexes diff\u00e8rent de la morphologie de r\u00e9f\u00e9rence =&gt; compteur TV remis \u00e0 0.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a42f236 elementor-widget elementor-widget-image\" data-id=\"a42f236\" 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\/2025\/11\/mdtdiscr5.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr5\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0NSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyNS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"239\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr5.png\" class=\"attachment-large size-large wp-image-4145\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr5.png 869w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr5-300x90.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr5-768x230.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr5-18x5.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-4ad291a elementor-widget elementor-widget-text-editor\" data-id=\"4ad291a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Seuil de similitude : 40, 43, \u2026, 70, \u2026, 97 %<br \/>Seuil de correspondance : 40, 43, ..., 70, ..., 97%<br \/>Recueil auto : Marche (recueil toutes les 17 min), Arr\u00eat<\/p><p>R\u00e8gles  MorphoLog:<\/p><ol><li>Etalonnage du signal de r\u00e9f\u00e9rence et conditions de recueil<br \/>Le recueil du signal de r\u00e9f\u00e9rence peut \u00eatre r\u00e9alis\u00e9 automatiquement :<\/li><\/ol><ul><li style=\"list-style-type: none;\"><ul><li>\u00c9chantillonnage de 6 complexes de rythme sinusal normaux et cr\u00e9ation d'un mod\u00e8le bas\u00e9 sur leur moyenne. Le mod\u00e8le automatique est valid\u00e9 par une comparaison des 6 formes d'onde entre elles (au moins 4 sur 6 doivent correspondre).<\/li><li>Confirmation du mod\u00e8le : une forme d'onde est \u00e9chantillonn\u00e9e toutes les 10 s et compar\u00e9e au mod\u00e8le stock\u00e9 pendant 700 s. Si \u226570 des 100 formes d'onde correspondent au mod\u00e8le, celui-ci est confirm\u00e9.<\/li><li>V\u00e9rification r\u00e9guli\u00e8re de la qualit\u00e9 du mod\u00e8le : \u00e9chantillonne une forme d'onde toutes les 17 minutes (~1000 s) et la compare au mod\u00e8le stock\u00e9.<\/li><\/ul><\/li><\/ul><ol start=\"2\"><li>Conditions de d\u00e9clenchement du MorphoLog<br \/>L'ondelette commence \u00e0 \u00e9chantillonner si :<\/li><\/ol><ul><li style=\"list-style-type: none;\"><ul><li>Compteur TV = 2<\/li><li>Compteur FV = 3<br \/>Deux \u00e9v\u00e9nements plus tard, le MorphoLog commence \u00e0 comparer les complexes au signal de r\u00e9f\u00e9rence.<\/li><\/ul><\/li><\/ul><ol start=\"3\"><li>Conditions d\u2019arr\u00eat du MorphoLog<br \/>D\u00e9tection d'un \u00e9pisode :<\/li><\/ol><ul><li style=\"list-style-type: none;\"><ul><li>\u00a0Au moins 6 des 8 derniers complexes diff\u00e8rent de la morphologie de r\u00e9f\u00e9rence<\/li><li>Expiration de la dur\u00e9e max TSV<br \/>Fin d'un \u00e9pisode : fr\u00e9quence sup\u00e9rieure \u00e0 la zone de TV<\/li><\/ul><\/li><\/ul><p>\u00a0<\/p><p>Le Morpholog ne fonctionne que pour des fr\u00e9quences cardiaques inf\u00e9rieures \u00e0 la limite programm\u00e9e de tachycardie supraventriculaire (TSV).\n\nLe MorphoLog utilise la source EGM 2 : HVA \u00e0 HVB (si les amplitudes des ondes R imprim\u00e9es (pic \u00e0 pic) sont &lt; 3 mv, s\u00e9lectionner une autre source).\n\nLimites du morpholog : l\u2019analyse comparative de la morphologie des \u00e9lectrogrammes en rythme sinusal et en tachycardie permet parfois un diagnostic de quasi-certitude. S\u2019il n\u2019y a aucune diff\u00e9rence dans l\u2019aspect du ventriculogramme entre tachycardie et rythme sinusal, il est probable que la tachycardie soit d\u2019origine supra-ventriculaire. En revanche, si les signaux diff\u00e8rent, il n\u2019est pas possible d\u2019affirmer le diagnostic car il peut soit s\u2019agir d\u2019une tachycardie ventriculaire soit d\u2019une tachycardie supra-ventriculaire avec aberration de conduction.\n\nLa fonction Morpholog peut \u00eatre programm\u00e9e en mode \u00ab Moniteur \u00bb et il peut n\u2019\u00eatre activ\u00e9e qu\u2019apr\u00e8s v\u00e9rification de son bon fonctionnement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad22d1a elementor-widget elementor-widget-heading\" data-id=\"ad22d1a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Discrimination double chambre : PR Logic<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e092df elementor-widget elementor-widget-text-editor\" data-id=\"2e092df\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Fonctionnement :<\/strong><\/p><p>Examen PERMANENT et SIMULTANEUX de 6 crit\u00e8res. Lorsque le nombre d'intervalles (NID) pour d\u00e9tecter une TV ou une FV est atteint, les r\u00e8gles de diagnostic suivantes sont appliqu\u00e9es.<\/p><p>La logique PR ne fonctionne qu'en cas de d\u00e9tection initiale et non en cas de red\u00e9tection.<\/p><p>La logique PR ne fonctionne que pour les taux inf\u00e9rieurs \u00e0 la limite SVT programm\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0a7354 elementor-widget elementor-widget-image\" data-id=\"b0a7354\" 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\/2025\/11\/icd_discrimination_medt1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzNCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0MS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"619\" height=\"319\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt1.png\" class=\"attachment-large size-large wp-image-4134\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt1.png 619w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt1-300x155.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt1-18x9.png 18w\" sizes=\"(max-width: 619px) 100vw, 619px\" \/>\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-f586d77 elementor-widget elementor-widget-image\" data-id=\"f586d77\" 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\/2025\/11\/icd_discrimination_medt2.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzNSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0Mi5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"616\" height=\"471\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt2.png\" class=\"attachment-large size-large wp-image-4135\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt2.png 616w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt2-300x229.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt2-16x12.png 16w\" sizes=\"(max-width: 616px) 100vw, 616px\" \/>\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-061c4a5 elementor-widget elementor-widget-text-editor\" data-id=\"061c4a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Syntaxe\u00a0<\/strong><\/p><p>D\u00e9tails de fonctionnement : PR Logic :<\/p><ul><li>identifier les tachycardies sinusales<\/li><li>Fonctionnement : le PR Logic analyse la position et la succession des ondes P entre 3 ondes R cons\u00e9cutives.<\/li><li>Attribue un code \u00e0 chaque s\u00e9quence observ\u00e9e<\/li><li>les flutters auriculaires et les tachycardies supraventriculaires jonctionnelles (TSV 1:1).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cd0750 elementor-widget elementor-widget-image\" data-id=\"6cd0750\" 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\/2025\/11\/icd_discrimination_medt3.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzNiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0My5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"678\" height=\"176\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt3.png\" class=\"attachment-large size-large wp-image-4136\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt3.png 678w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt3-300x78.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt3-18x5.png 18w\" sizes=\"(max-width: 678px) 100vw, 678px\" \/>\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-3657f90 elementor-widget elementor-widget-image\" data-id=\"3657f90\" 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\/2025\/11\/icd_discrimination_medt4.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzNywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0NC5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"528\" height=\"224\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt4.png\" class=\"attachment-large size-large wp-image-4137\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt4.png 528w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt4-300x127.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt4-18x8.png 18w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/>\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-b77e1ef elementor-widget elementor-widget-text-editor\" data-id=\"b77e1ef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Compteur de FA<\/strong><\/p><p>Objectif : Identifier les fibrillations auriculaires ou les bi-tachycardies (FV, TV en pr\u00e9sence d'une tachycardie supra-ventriculaire).<br \/>Fonctionnement :<\/p><ul><li>\u22652 oreillettes ou plus entre 2 ventriculaires =&gt; Compteur +1<\/li><li>Pas d'oreillette entre 2 ventricules  =&gt; Compteur -1<\/li><li>1 oreillette entre 2 ventricules                         =&gt; Compteur \u20131 si cycle identique au pr\u00e9c\u00e9dent<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 =&gt; Compteur +0 si cycle diff\u00e9rent du pr\u00e9c\u00e9dent<\/li><\/ul><p>Le compteur de FA inhibe la th\u00e9rapie lorsqu\u2019il atteint +6. La th\u00e9rapie est ensuite inhib\u00e9e tant que le compteur reste sup\u00e9rieur ou \u00e9gal \u00e0 5. Le compteur est limit\u00e9 \u00e0 +10.<br \/><br \/>L'analyse du compteur de preuves de FA d\u00e9termine qu'une tachyarythmie auriculaire est pr\u00e9sente si le compteur atteint un seuil pr\u00e9d\u00e9fini. Satisfait d'abord \u00e0 6, reste satisfait \u00e0 \u22655, max 10, min 0.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cbc730 elementor-widget elementor-widget-image\" data-id=\"6cbc730\" 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\/2025\/11\/mdtdiscr9.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr9\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0NiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyOS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"230\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr9.png\" class=\"attachment-large size-large wp-image-4146\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr9.png 796w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr9-300x87.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr9-768x222.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr9-18x5.png 18w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/>\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-cb29cbd elementor-widget elementor-widget-text-editor\" data-id=\"cb29cbd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>D\u00e9tection des t\u00e9l\u00e9-ondes R<\/strong><\/p><p>Objectif : Eviter les faux diagnostics de flutters ou de fibrillations auriculaires.\n\nFonctionnement : Le PR Logic d\u00e9tecte une t\u00e9l\u00e9-onde R s\u2019il d\u00e9tecte \u00e0 la fois :<\/p><ul style=\"font-size: 16px;\"><li>Une succession de s\u00e9quences \"court-long\" d\u2019intervalles A-A (diff\u00e9rence &gt; 30 ms)<\/li><li>Et un intervalle A-V court (&lt; 60 ms) ou un intervalle V-A court (&lt; 160 ms)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1040d93 elementor-widget elementor-widget-image\" data-id=\"1040d93\" 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\/2025\/11\/icd_discrimination_medt5.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt5\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzOCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0NS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"428\" height=\"146\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt5.png\" class=\"attachment-large size-large wp-image-4138\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt5.png 428w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt5-300x102.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt5-18x6.png 18w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/>\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-912739d elementor-widget elementor-widget-text-editor\" data-id=\"912739d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Pour qu'un rythme soit reconnu comme ST avec FFRW, il doit \u00eatre pr\u00e9sent :<\/p><ul><li>dans 10 des 12 derniers intervalles dans les dispositifs Gem DR<\/li><li>\u00c0 partir du mod\u00e8le Gem III DR et des mod\u00e8les suivants, il a \u00e9t\u00e9 r\u00e9duit \u00e0 4 des 12 derniers intervalles.<\/li><\/ul><p>\u00a0<\/p><p><strong>Dissociation auriculo-ventriculaire<\/strong><\/p><p>Objectif : Identifier les bi-tachycardies (FV ou TV en pr\u00e9sence d'une tachycardie supra-ventriculaire).\n\nFonctionnement : il y a dissociation si pour au moins 4 des 8 derniers intervalles V-V :<\/p><ul><li>Soit il n'y a pas d'oreillette<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ca3094 elementor-widget elementor-widget-image\" data-id=\"3ca3094\" 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\/2025\/11\/icd_discrimination_medt6.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt6\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDEzOSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0Ni5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"586\" height=\"258\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt6.png\" class=\"attachment-large size-large wp-image-4139\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt6.png 586w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt6-300x132.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt6-18x8.png 18w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/>\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-4a1c7ae elementor-widget elementor-widget-text-editor\" data-id=\"4a1c7ae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>R\u00e9gularit\u00e9 des ventriculogrammes<\/strong><\/p><p>Objectif : Identifier les fibrillations auriculaires.<br \/>FA conduites            =&gt; rythme ventriculaire irr\u00e9gulier<br \/>Tachycardies ventriculaires  =&gt; rythme r\u00e9gulier<br \/><br \/>Fonctionnement :<br \/>Comptage du nombre de fois o\u00f9 les 2 intervalles les plus fr\u00e9quents ont eu lieu parmi les 18 derniers intervalles ventriculaires.<\/p><ul><li>R\u00e9gularit\u00e9 &gt;75% = rythme r\u00e9gulier<\/li><li>R\u00e9gularit\u00e9 \u226450% = rythme irr\u00e9gulier<\/li><\/ul><p>Note : Seuls les intervalles d'une dur\u00e9e \u2265240 ms sont pris en compte dans cette analyse.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d57cee9 elementor-widget elementor-widget-image\" data-id=\"d57cee9\" 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\/2025\/11\/mdtdiscr12.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr12\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0NywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyMTIucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"313\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr12.png\" class=\"attachment-large size-large wp-image-4147\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr12.png 864w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr12-300x117.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr12-768x300.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr12-18x7.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-34ed434 elementor-widget elementor-widget-text-editor\" data-id=\"34ed434\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Interaction d'algorithmes \u00e0 double chambre pour une premi\u00e8re d\u00e9tection dans la zone VT<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b3735b elementor-widget elementor-widget-image\" data-id=\"3b3735b\" 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\/2025\/11\/icd_discrimination_medt7.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0MCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0Ny5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"506\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt7.png\" class=\"attachment-large size-large wp-image-4140\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt7.png 685w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt7-300x222.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt7-16x12.png 16w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/>\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-0231e96 elementor-widget elementor-widget-text-editor\" data-id=\"0231e96\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Interaction d'algorithmes \u00e0 chambre unique pour une premi\u00e8re d\u00e9tection dans la zone VT<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2af895e elementor-widget elementor-widget-image\" data-id=\"2af895e\" 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\/2025\/11\/icd_discrimination_medt8.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt8\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0MSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0OC5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"414\" height=\"553\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt8.png\" class=\"attachment-large size-large wp-image-4141\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt8.png 414w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt8-225x300.png 225w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt8-9x12.png 9w\" sizes=\"(max-width: 414px) 100vw, 414px\" \/>\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-0bcd551 elementor-widget elementor-widget-heading\" data-id=\"0bcd551\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Smart-Shock : la nouvelle discrimination<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0549b6f elementor-widget elementor-widget-text-editor\" data-id=\"0549b6f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La technologie Smart-Shock, dont l\u2019objectif est de r\u00e9duire l\u2019incidence des chocs inappropri\u00e9s sans alt\u00e9rer la s\u00e9curit\u00e9 du patient, est disponible sur la plateforme des nouveaux d\u00e9fibrillateurs. L\u2019ajout de 6 algorithmes permet d\u2019esp\u00e9rer une discrimination plus efficace.<\/p><p><strong>La discrimination des ondes T<\/strong><\/p><p>L\u2019objectif de cet algorithme n\u2019est pas de r\u00e9duire cette surd\u00e9tection mais d\u2019\u00e9viter toute th\u00e9rapie inappropri\u00e9e dans ce contexte.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca6996c elementor-widget elementor-widget-image\" data-id=\"ca6996c\" 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\/2025\/11\/mdtdiscr26.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mdtdiscr26\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0OCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL21kdGRpc2NyMjYucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"485\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr26.png\" class=\"attachment-large size-large wp-image-4148\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr26.png 904w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr26-300x182.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr26-768x466.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/mdtdiscr26-18x12.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-0d1ac5e elementor-widget elementor-widget-text-editor\" data-id=\"0d1ac5e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Confirmation +<\/strong><\/p><p>Cet algorithme :<\/p><ol><li>Confirme que le rythme cardiaque reste rapide imm\u00e9diatement apr\u00e8s l'administration d'ATP ou avant un premier choc.<\/li><li>D\u00e9tourne une th\u00e9rapie non engag\u00e9e avant la fin de la charge du condensateur si la tachycardie ne se termine spontan\u00e9ment que pour le premier choc.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a906ee elementor-widget elementor-widget-image\" data-id=\"8a906ee\" 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\/2025\/11\/icd_discrimination_medt10.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"icd_discrimination_medt10\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDE0MiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL2ljZF9kaXNjcmltaW5hdGlvbl9tZWR0MTAucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"240\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt10.png\" class=\"attachment-large size-large wp-image-4142\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt10.png 590w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt10-300x122.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2025\/11\/icd_discrimination_medt10-18x7.png 18w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/>\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>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Medtronic &#8211; Discrimination Content Introduction When programming an ICD, particular attention should be paid to the risk of inappropriate therapies. Modern ICD offer several advanced criteria, which, alone or combined, can discriminate VT from SVT. The \u201cheart rate\u201d criterion cannot be used safely alone, as its specificity for the diagnosis of ventricular tachyarrhythmias is only [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":49,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-736","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>Medtronic ICD SVT\/VT Discrimination | Cardiocases<\/title>\n<meta name=\"description\" content=\"Medtronic ICD discrimination \u2014 PR Logic, Wavelet, morphology &amp; real ECG tracings. 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