{"id":767,"date":"2025-07-31T14:18:06","date_gmt":"2025-07-31T14:18:06","guid":{"rendered":"https:\/\/cardiocases.com\/?page_id=767"},"modified":"2026-01-02T09:51:42","modified_gmt":"2026-01-02T09:51:42","slug":"mvp-medtronic","status":"publish","type":"page","link":"https:\/\/cardiocases.com\/fr\/pacing-defibrillation\/devices-per-company\/medtronic\/mvp-medtronic\/","title":{"rendered":"MVP medtronic"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"767\" class=\"elementor elementor-767\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b47b24 e-con-full e-flex e-con e-parent\" data-id=\"1b47b24\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-64bae21 e-con-full e-flex e-con e-child\" data-id=\"64bae21\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6927da2 elementor-widget elementor-widget-heading\" data-id=\"6927da2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Medtronic - MVP<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9078da elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"d9078da\" data-element_type=\"widget\" data-e-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\tContent\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__d9078da\" 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__d9078da\" 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__d9078da\" 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-8d48907 elementor-widget elementor-widget-heading\" data-id=\"8d48907\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">MVP (Managed Ventricular Pacing)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15bcbc8 elementor-widget elementor-widget-text-editor\" data-id=\"15bcbc8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The MVP (Managed Ventricular Pacing) mode is an atrial-based pacing mode designed to promote intrinsic conduction and to reduce the percentage of unnecessary right ventricular pacing.<\/p><p><strong>Operating details<\/strong><\/p><p>MVP provides the following functions:<\/p><ul><li>AAI mode pacing when AV conduction is intact<\/li><li>backup ventricular support for transient loss of AV conduction<\/li><li>ability to automatically switch to DDD pacing during sustained AV block<\/li><li>periodic conduction checks at progressively increasing intervals while operating in DDD mode, with the ability to switch back to AAI mode when AV conduction resumes<\/li><\/ul><p><em>Intact AV conduction<\/em><\/p><p>The MVP mode, AAI&lt;=&gt;DDD, provides AAI mode pacing while monitoring AV conduction (ADI mode). If AV conduction is intact, the device remains in AAI mode. While operating in AAI mode, the parameters associated with single chamber atrial pacing are applicable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2523cd1 elementor-widget elementor-widget-image\" data-id=\"2523cd1\" data-element_type=\"widget\" data-e-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\/MVP-1-alt.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP 1 alt\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ5MywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUC0xLWFsdC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"198\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP-1-alt.jpg\" class=\"attachment-large size-large wp-image-6493\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP-1-alt.jpg 700w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP-1-alt-300x85.jpg 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP-1-alt-18x5.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\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-be38c06 elementor-widget elementor-widget-text-editor\" data-id=\"be38c06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Transient loss of conduction<\/em><\/p><p>For transient loss of AV conduction, the device remains in AAI mode and provides a backup ventricular pacing pulse in response to an A-A interval that is missing a ventricular sense.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e9395f elementor-widget elementor-widget-image\" data-id=\"9e9395f\" data-element_type=\"widget\" data-e-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\/MVP2.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4OSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDIuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"198\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP2.jpg\" class=\"attachment-large size-large wp-image-6489\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP2.jpg 700w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP2-300x85.jpg 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP2-18x5.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\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-978fd18 elementor-widget elementor-widget-text-editor\" data-id=\"978fd18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In this example, ventricular backup pacing occurs 80 ms after the scheduled AP on the next cycle following A-A intervals without a valid ventricular sense. The device does not switch to DDD after a single A-A interval without a valid ventricular sense.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38f8347 elementor-widget elementor-widget-text-editor\" data-id=\"38f8347\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Sustained loss of AV conduction<\/em><\/p><p>When no ventricular sensed event occurs in 2 of 4 preceding A-A intervals, the pacemaker automatically switches from AAI to DDD mode.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d497c5 elementor-widget elementor-widget-image\" data-id=\"9d497c5\" data-element_type=\"widget\" data-e-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\/MVP3.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4OCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDMucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"219\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP3.png\" class=\"attachment-large size-large wp-image-6488\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP3.png 926w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP3-300x82.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP3-768x211.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP3-18x5.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-fe3342f elementor-widget elementor-widget-text-editor\" data-id=\"fe3342f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In this example, ventricular backup pacing occurs 80 ms after the scheduled AP following each A-A interval without a valid ventricular sense. The pacemaker switches to DDD mode since two of the most 4 recent non-refractory A-A intervals are missing a ventricular event.<\/p><p>\u00a0<\/p><p><em>AV conduction resumes<\/em><\/p><p>After switching to DDD mode, the device periodically checks AV conduction for an opportunity to return to AAI mode. The first AV conduction check occurs 1 minute after switching to DDD mode. During the conduction check, the device switches to AAI pacing mode for one cycle.<\/p><p>If the next A-A interval includes a sensed ventricular beat, the conduction check succeeds. The device remains in AAI pacing mode.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b11019e elementor-widget elementor-widget-image\" data-id=\"b11019e\" data-element_type=\"widget\" data-e-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\/MVP4.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4NywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDQucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"208\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP4.png\" class=\"attachment-large size-large wp-image-6487\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP4.png 907w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP4-300x78.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP4-768x200.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP4-18x5.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-7a6413e elementor-widget elementor-widget-text-editor\" data-id=\"7a6413e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>This tracing shows one example of successful conduction check after one minute of DDD pacing.<\/p><p>If the next A-A interval does not include a sensed ventricular beat, the conduction check fails, and the device switches back to the DDD mode. The time between conduction checks then doubles (2, 4, 8 \u2026 minutes, up to a maximum of 16 hours) with each failed conduction check.<\/p><p><strong>Specificities of the algorithm<\/strong><\/p><p><em>Atrial Refractory Period<\/em>: when MVP is operating in AAI mode, the Atrial Refractory Period is not programmable. Instead, it is automatically adjusted according to the current heart rate: 600 ms for rates below 75 bpm and 75% of the ventricular interval for rates at or above 75 bpm. An atrial activity detected in this dynamic Atrial Refractory Period does not reset the A-A escape interval to avoid inappropriate switches to DDD in the presence of non-conducted premature atrial contractions.<\/p><p><em>\u00a0PVCs and ventricular tachyarrhythmias<\/em>: because cross-chamber blanking may affect sensing of ventricular arrhythmias, when MVP is operating in AAI mode, the device inhibits atrial pacing in response to PVCs, PVC runs, and ventricular tachyarrhythmia episodes. This behavior is intended to prevent unnecessary atrial pacing when the ventricular rate is faster than the pacing rate. It also allows tachyarrhythmia detection features to operate without disruption from blanking periods caused by atrial pacing.<\/p><p><em>Ventricular pause and lower rate limit<\/em>: upon abrupt loss of AV conduction, prior to switching to DDD mode, the MVP mode allows the occurrence of occasional pauses of up to twice the programmed lower rate interval. It is therefore recommended to program the Lower Rate to 50 bpm or higher to decrease the duration of the pause in case of loss of atrioventricular conduction.<\/p><p><em>\u00a0Complete heart block<\/em>: for patients with complete AV block, the device operates in DDD mode persistently. Every 16 hours, the device checks for AV conduction, which results in a single dropped ventricular beat. If this pause is symptomatic, programming of the DDD mode may be more appropriate.<\/p><p><em>Long PR intervals<\/em>: for patients with long PR intervals, the device remains in the AAI mode. Permanent DDDR or DDD modes may be more appropriate for patients with symptomatic first-degree AV block particularly if there is no reduction of the PR interval during exercise.<\/p><p><em>\u00a0Operation immediately after implant<\/em>: the device is shipped in MVP mode, initially operating in DDD mode. Approximately 30 min after implant, the device automatically checks for AV conduction and switches to AAI mode if appropriate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef46732 elementor-widget elementor-widget-heading\" data-id=\"ef46732\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Updated MVP algorithm<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7814a88 elementor-widget elementor-widget-text-editor\" data-id=\"7814a88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>To answer, some limitations of the first version, the MVP algorithm has been updated in the most recent platforms.<\/p><p><strong>\u00a0Switch to DDD in case of long PR intervals<\/strong><\/p><p>The presence of a very long PR interval can be accompanied by a more or less prominent symptomatology. In the first version of the MVP algorithm, the device did not switch in case of long PR intervals. At the request of some physicians faced with patients remaining symptomatic in the setting of long PR on exertion, the algorithm was modified accordingly.<\/p><p>The device monitors the PR (AS-VS) and AR interval (AP-VS). When the average AV interval exceeds a programmable fixed AV limit, the device switches to DDD.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b248ef elementor-widget elementor-widget-image\" data-id=\"9b248ef\" data-element_type=\"widget\" data-e-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\/MVP5.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP5\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4NiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDUucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"259\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP5.png\" class=\"attachment-large size-large wp-image-6486\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP5.png 539w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP5-300x144.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP5-18x9.png 18w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/>\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-5ad89b4 elementor-widget elementor-widget-text-editor\" data-id=\"5ad89b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The AV interval limit is programmable. If the patient\u2019s average AV interval exceeds this AV interval limit, the device switches to DDD mode.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c21b9ba elementor-widget elementor-widget-image\" data-id=\"c21b9ba\" data-element_type=\"widget\" data-e-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\/MVP6.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP6\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4NSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDYucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"214\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6-1024x274.png\" class=\"attachment-large size-large wp-image-6485\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6-1024x274.png 1024w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6-300x80.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6-768x205.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6-18x5.png 18w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP6.png 1496w\" 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-de2696e elementor-widget elementor-widget-text-editor\" data-id=\"de2696e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In this patient, the AV limit has been programmed at a value of 300 ms: the device switches to DDD when the average AV interval exceeds 300 ms.<\/p><p>The first atrioventricular conduction verification occurs 1 minute after switching to the DDD mode; during this verification, if the PR or AR interval remains prolonged and greater than the programmed value, the device continues in DDD mode; the interval between each conduction control is then doubled (2, 4, 8\u2026 minutes to a maximum of 16 hours).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42ee10c elementor-widget elementor-widget-image\" data-id=\"42ee10c\" data-element_type=\"widget\" data-e-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\/MVP7.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4NCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDcucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"366\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP7.png\" class=\"attachment-large size-large wp-image-6484\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP7.png 810w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP7-300x137.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP7-768x352.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP7-18x8.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-a6bdc9e elementor-widget elementor-widget-text-editor\" data-id=\"a6bdc9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>By default, the long PR function of the MVP algorithm is programmed OFF.<\/p><p>\u00a0<\/p><p><strong>Reduction of the ventricular pause following AV block<\/strong><\/p><p>In the initial version of the MVP algorithm, the ventricular pause following AV block could potentially generate symptoms and may infrequently lead to pause-dependent ventricular arrhythmia. The most significant change to the updated version is that the device does not wait until the next atrial event to detect loss of AV conduction. If the expected ventricular sensed signal is late, relative to recent AV conducted events, the device will pace the atrium and then pace the ventricle with a short AV delay of 80 ms.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccbcbcd elementor-widget elementor-widget-image\" data-id=\"ccbcbcd\" data-element_type=\"widget\" data-e-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\/MVP8.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP8\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4MywidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDgucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"345\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8-1024x441.png\" class=\"attachment-large size-large wp-image-6483\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8-1024x441.png 1024w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8-300x129.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8-768x331.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8-18x8.png 18w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP8.png 1469w\" 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-e5ad59a elementor-widget elementor-widget-text-editor\" data-id=\"e5ad59a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>This figure shows the difference in terms of ventricular pause with the 2 versions of the MVP algorithm.<\/p><p>The device analyzes the successive PR intervals (AP-VS or AS-VS); if the atrioventricular conduction is altered (absence of an R wave in a variable window depending on the previous PR intervals), the atrium is paced at least 420 ms, 600 ms at most, after the \u201cblocked\u201d atrial activity (spontaneous or paced). The duration of the AA interval is contingent on the previous measurements of the PR intervals (420 ms if PR &lt; 320 ms). If the PR interval &gt; 320 ms, the AA interval will be longer by 100 ms up to a the limit of 600 ms (for example, if average PR interval is 400 ms, AA interval 500 ms). The timing is the same no matter if the prior AV sequences were AP-VS or AS-VS. Ventricular pacing is subsequently delivered 80 ms after atrial pacing.<\/p><p>The aim of this sequence (atrial pacing prior to ventricular pacing) is to avoid the occurrence of a pause while maintaining atrioventricular synchrony to prevent retrograde conduction and thus reduce the risk of pacemaker-mediated tachycardia. The minimal AA delay of 420 ms also avoids pacing in an atrial vulnerable period and avoids induction of atrial arrhythmias<\/p><p>\u00a0<\/p><p><strong>Reduction of the maximal ventricular pause following PVC:\u00a0<\/strong>VA timing is adjusted (based on previous event timing) to achieve a minimum VV interval of 1000 ms when a PVC occurs. The history of AV intervals is used to determine the VA interval to reduce the pause following PVCs. VA timing is adjusted (based on event timing history) to achieve a shorter pause after ventricular backup paces.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04f10d5 elementor-widget elementor-widget-image\" data-id=\"04f10d5\" data-element_type=\"widget\" data-e-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\/MVP9.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP9\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ4MiwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDkucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"426\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9-1024x545.png\" class=\"attachment-large size-large wp-image-6482\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9-1024x545.png 1024w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9-300x160.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9-768x409.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9-18x10.png 18w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP9.png 1317w\" 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-ac4f0d2 elementor-widget elementor-widget-text-editor\" data-id=\"ac4f0d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Conduction check:\u00a0<\/strong>to avoid repetition of conduction check in patients with frequent episodes of AV block. If a successful conduction check occurs, but the device switches back to DDD(R) within 15 seconds, then the conduction check is re-classified as failure and the conduction test interval is not reset to 1 minute, but remains at its current setting.<\/p><p><strong>Delay conduction check at high rates:\u00a0<\/strong>to avoid the occurrence of blocked P-wave during exercise, if the sensor rate is greater than 90 bpm and the average AR interval is greater than 300 ms, the conduction check is delayed for 1 minute. If the conditions are still met after 1 minute, the conduction check is delayed again for 1 minute.<\/p><p><strong>\u00a0Crossblanking:\u00a0<\/strong>the ventricular blanking following atrial pacing has been decreased from 30 ms to 10 ms to reduce the risk of undersensing of a late PVC.<\/p><p><strong>MVP mode switches diagnostic:\u00a0<\/strong>the diagnostic log was added to understand the nature and frequency of the mode switches. The device maintains the 10 most recent MVP Mode Switches to DDD and a count of MVP Mode Switches since the last session. The most recent MVP Mode Switch Log records the following information when the device, programmed to an MVP pacing mode, switches from AAI to DDD mode:<\/p><ul><li>Type of mode switch<\/li><li>Date and time when the mode switch occurred<\/li><li>Median ventricular rate at the time of the mode switch<\/li><li>AV interval at the time of the mode switch<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e911f19 elementor-widget elementor-widget-image\" data-id=\"e911f19\" data-element_type=\"widget\" data-e-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\/MVP10.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP10\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ5MSwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDEwLnBuZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"381\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP10.png\" class=\"attachment-large size-large wp-image-6491\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP10.png 869w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP10-300x143.png 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP10-768x366.png 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP10-18x9.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-b85c898 elementor-widget elementor-widget-image\" data-id=\"b85c898\" data-element_type=\"widget\" data-e-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\/MVP11.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"MVP11\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjQ5MCwidXJsIjoiaHR0cHM6XC9cL2NhcmRpb2Nhc2VzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNlwvMDFcL01WUDExLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"789\" height=\"515\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP11.jpg\" class=\"attachment-large size-large wp-image-6490\" alt=\"\" srcset=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP11.jpg 789w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP11-300x196.jpg 300w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP11-768x501.jpg 768w, https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/01\/MVP11-18x12.jpg 18w\" sizes=\"(max-width: 789px) 100vw, 789px\" \/>\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Medtronic &#8211; MVP Content MVP (Managed Ventricular Pacing) The MVP (Managed Ventricular Pacing) mode is an atrial-based pacing mode designed to promote intrinsic conduction and to reduce the percentage of unnecessary right ventricular pacing. Operating details MVP provides the following functions: AAI mode pacing when AV conduction is intact backup ventricular support for transient loss [&hellip;]<\/p>\n","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-767","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Medtronic MVP Mode: Managed Ventricular Pacing Explained | Cardiocases<\/title>\n<meta name=\"description\" content=\"Complete guide to Medtronic MVP (Managed Ventricular Pacing) \u2014 how it works, ECG tracings, mode switching criteria &amp; clinical programming 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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