{"id":10218,"date":"2026-04-03T14:14:49","date_gmt":"2026-04-03T14:14:49","guid":{"rendered":"https:\/\/cardiocases.com\/?post_type=ecg_case&#038;p=10218"},"modified":"2026-04-09T10:25:16","modified_gmt":"2026-04-09T10:25:16","slug":"trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire","status":"publish","type":"ecg_case","link":"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/","title":{"rendered":"Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire"},"content":{"rendered":"","protected":false},"featured_media":10217,"template":"","ecg_case_type":[256],"language_ecgcase":[259],"class_list":["post-10218","ecg_case","type-ecg_case","status-publish","has-post-thumbnail","hentry","ecg_case_type-junctional-tachycardia","language_ecgcase-french"],"acf":{"ecg_case_title":"Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire","patient_description":"Homme de 79 ans sans ant\u00e9c\u00e9dent connu ni de notion de palpitations, hospitalis\u00e9 pour mul\u00ad tiples \u00e9pisodes de lipothymies","quiz_question":"Quel(s) est(sont) le(s) diagnostic(s) possible(s) sur cet ECG?","quiz_answer_1":"bloc de branche droit","quiz_answer_2":"voie accessoire","quiz_answer_3":"s\u00e9quelle de n\u00e9crose post\u00e9rieure","quiz_answer_4":"s\u00e9quelle de n\u00e9crose ant\u00e9rieure","quiz_answer_5":"rythme sinusal","correct_answer":["B","E"],"ecg_image":10217,"ecg_description":"Ce premier trac\u00e9 r\u00e9alis\u00e9 \u00e0 l\u2019arriv\u00e9e aux urgences montre un trac\u00e9 typique de voie accessoire lat\u00e9rale gauche (PR court et onde delta) avec un aspect de pr\u00e9-excitation majeure et un QRS tr\u00e8s \u00e9largi;","ecg_info_box":"Un patient avec voie accessoire perm\u00e9able en ant\u00e9rograde pr\u00e9sente un aspect de super-Wolff (pr\u00e9-excitation maximale) \u00e0 la suite de la survenue d\u2019un bloc de conduction sur la voie nodo-hisienne. La voie accessoire a habituellement un effet protecteur dans ce cadre.","commentary_ecg":"Chez un patient avec syndrome de Wolff-Parkinson-White, la conduction en rythme sinusal se fait habituellement par 2 voies diff\u00e9rentes, le n\u0153ud auriculo-ventriculaire et le faisceau de Kent, le QRS traduisant la fusion de ces 2 activations. Cette observation documente un cas rare de bloc auriculo-ventriculaire complet sur la voie hisienne associ\u00e9e \u00e0 un bloc du second degr\u00e9 sur la voie accessoire. La conduction ant\u00e9rograde est donc interrompue de fa\u00e7on paroxystique entrainant la survenue de lipothymies. Le bloc auriculo-ventriculaire complet pouvait d\u00e9j\u00e0 \u00eatre \u00e9voqu\u00e9 devant l\u2019aspect de super-Wolff sur le premier trac\u00e9 ce qui est rare dans le cadre d\u2019une voie accessoire lat\u00e9rale gauche. Les patients avec syndrome de Wolff\u2013Parkinson\u2013White se plaignent beaucoup plus de palpitations et d\u2019\u00e9pisodes de tachycardie que de probl\u00e8mes de bradycardie. En effet, la voie accessoire a normalement un effet protecteur devant la survenue d\u2019un bloc de conduction sur la voie nodo-hisienne. Devant un \u00e9pisode de syncope, la survenue d\u2019une tachycardie rapide (orthodromique, antidromique ou sur fibrillation auriculaire) est g\u00e9n\u00e9ralement suspect\u00e9e. Chez ce patient, un trouble de conduction survenant sur les 2 voies \u00e9tait responsable des sympt\u00f4mes ressentis. Un stimulateur cardiaque double chambre a \u00e9t\u00e9 implant\u00e9 et les contr\u00f4les \u00e0 distance ont montr\u00e9 un pourcentage de stimulation ventriculaire \u00e9lev\u00e9 t\u00e9moignant de l\u2019existence d\u2019un trouble de conduction permanent.\r\n\r\nSur ce second trac\u00e9, on peut voir l\u2019existence d\u2019ondes P sinusales bloqu\u00e9es et d\u2019ondes P suivies d\u2019un ventricule pr\u00e9-excit\u00e9 identique \u00e0 ceux du trac\u00e9 pr\u00e9c\u00e9dent; ce trac\u00e9 sugg\u00e8re l\u2019existence d\u2019un bloc complet sur les voies normales de conduction auriculo-ventriculaire expliquant l\u2019aspect de pr\u00e9- excitation maximale (conduction exclusive par la voie accessoire) et d\u2019un bloc du second degr\u00e9 sur le faisceau de Kent (alternance entre ondes P conduites et onde P bloqu\u00e9es);\r\n\r\nCe premier trac\u00e9 r\u00e9alis\u00e9 \u00e0 l\u2019arriv\u00e9e aux urgences montre un trac\u00e9 typique de voie accessoire lat\u00e9rale gauche (PR court et onde delta) avec un aspect de pr\u00e9-excitation majeure et un QRS tr\u00e8s \u00e9largi;","ecg_info_post_answer":"<img class=\"alignnone wp-image-10472 size-large\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/trace-7-10-ecg2-1024x722.png\" alt=\"\" width=\"800\" height=\"564\" \/>\r\n\r\n<strong>Description trac\u00e9<\/strong>\r\n\r\nSur ce second trac\u00e9, on peut voir l\u2019existence d\u2019ondes P sinusales bloqu\u00e9es et d\u2019ondes P suivies d\u2019un ventricule pr\u00e9-excit\u00e9 identique \u00e0 ceux du trac\u00e9 pr\u00e9c\u00e9dent; ce trac\u00e9 sugg\u00e8re l\u2019existence d\u2019un bloc complet sur les voies normales de conduction auriculo-ventriculaire expliquant l\u2019aspect de pr\u00e9excitation maximale (conduction exclusive par la voie accessoire) et d\u2019un bloc du second degr\u00e9 sur le faisceau de Kent (alternance entre ondes P conduites et onde P bloqu\u00e9es);\r\n\r\n<img class=\"alignnone wp-image-10357 size-full\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/page-388.png\" alt=\"\" width=\"902\" height=\"330\" \/>"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire - Cardiocases<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire - Cardiocases\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardiocases\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-09T10:25:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/03\/trace-7-10-ecg-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1237\" \/>\n\t<meta property=\"og:image:height\" content=\"775\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/\",\"url\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/\",\"name\":\"Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire - Cardiocases\",\"isPartOf\":{\"@id\":\"https:\/\/cardiocases.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/03\/trace-7-10-ecg-2.png\",\"datePublished\":\"2026-04-03T14:14:49+00:00\",\"dateModified\":\"2026-04-09T10:25:16+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/#primaryimage\",\"url\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/03\/trace-7-10-ecg-2.png\",\"contentUrl\":\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/03\/trace-7-10-ecg-2.png\",\"width\":1237,\"height\":775},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cardiocases.com\/ecg_case\/trace-7-10-wolff-parkinson-white-et-bloc-auriculo-ventriculaire\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/cardiocases.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trac\u00e9 7.10: Wolff\u2013parkinson\u2013white et bloc auriculo-ventriculaire\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cardiocases.com\/#website\",\"url\":\"https:\/\/cardiocases.com\/\",\"name\":\"Cardiocases\",\"description\":\"Real cardiac device traces, pacemaker &amp; 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