{"id":10166,"date":"2026-04-02T19:47:15","date_gmt":"2026-04-02T19:47:15","guid":{"rendered":"https:\/\/cardiocases.com\/?post_type=ecg_case&#038;p=10166"},"modified":"2026-04-02T19:47:16","modified_gmt":"2026-04-02T19:47:16","slug":"trace-6-1-arythmie-sinusale-respiratoire","status":"publish","type":"ecg_case","link":"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-6-1-arythmie-sinusale-respiratoire\/","title":{"rendered":"Trac\u00e9 6.1: Arythmie sinusale respiratoire"},"content":{"rendered":"","protected":false},"featured_media":10165,"template":"","ecg_case_type":[255],"language_ecgcase":[259],"class_list":["post-10166","ecg_case","type-ecg_case","status-publish","has-post-thumbnail","hentry","ecg_case_type-atrial-fibrillation-atrial-flutter-atrial-tachycardia","language_ecgcase-french"],"acf":{"ecg_case_title":"Trac\u00e9 6.1: Arythmie sinusale respiratoire","patient_description":"Adolescent de 17 ans sans ant\u00e9c\u00e9dent","quiz_question":"Quelle(s) est(sont) l\u2019(les) anomalie(s) pr\u00e9sente(s) sur ce trac\u00e9?","quiz_answer_1":"une dysfonction sinusale","quiz_answer_2":"une fibrillation auriculaire","quiz_answer_3":"une arythmie sinusale respiratoire","quiz_answer_4":"un bloc auriculo-ventriculaire du second degr\u00e9","quiz_answer_5":"une tachycardie atriale","correct_answer":["C"],"ecg_image":10165,"ecg_description":"Ce trac\u00e9 montre une activit\u00e9 atriale sinusale irr\u00e9guli\u00e8re avec acc\u00e9l\u00e9rations et ralentissements qui se succ\u00e8dent; le reste de l\u2019\u00e9lectrocardiogramme est dans les limites de la normale; probable arythmie sinusale physiologique chez un patient adolescent;","ecg_info_box":"L\u2019arythmie respiratoire de l\u2019enfant ou de l\u2019adolescent se traduit par la pr\u00e9sence d\u2019un rythme sinusal irr\u00e9gulier (acc\u00e9l\u00e9ration en d\u00e9but d\u2019inspiration et ralentissement en d\u00e9but d\u2019expiration) sans caract\u00e8re pathologique. ","commentary_ecg":"L\u2019arythmie sinusale respiratoire de l\u2019enfant ou de l\u2019adolescent est une des \u201carythmies\u201d les plus fr\u00e9quentes en pratique clinique. Elle correspond \u00e0 des fluctuations affectant la p\u00e9riodicit\u00e9 de d\u00e9charge du n\u0153ud sinusal li\u00e9es \u00e0 des variations r\u00e9flexes du tonus vagal. Ces variations de fr\u00e9quence suivant les cycles respiratoires survenant chez des patients asymptomatiques peuvent \u00eatre consid\u00e9r\u00e9es comme physiologiques. L\u2019incidence de l\u2019arythmie sinusale diminue avec l\u2019\u00e2ge probablement en rapport avec la baisse de sensibilit\u00e9 des baror\u00e9cepteurs carotidiens.\r\n\r\nSur l\u2019\u00e9lectrocardiogramme, l\u2019arythmie sinusale respiratoire phasique se traduit par un rythme \u00e0 commande sinusale dont la fr\u00e9quence est nettement irr\u00e9guli\u00e8re. On retrouve donc: \r\n\u2022 Des ondes P identiques sans modification de morphologie; \r\n\u2022 Une irr\u00e9gularit\u00e9 des ondes P pr\u00e9sentant des \u00e9carts de plus de 160 ms entre les intervalles PP; \r\n\u2022 Les variations de dur\u00e9e des cycles PP sont p\u00e9riodiques et suivent les cycles respiratoires; une acc\u00e9l\u00e9ration du rythme sinusal est observ\u00e9e \u00e0 la fin de l\u2019expiration (reprise du tonus vagal) alors qu\u2019un ralentissement du rythme sinusal survient \u00e0 la fin de l\u2019inspiration et au d\u00e9but de l\u2019expiration (baisse du tonus vagal); ces variations disparaissent lors des apn\u00e9es et diminuent lors d\u2019un effort avec l\u2019augmentation de la fr\u00e9quence cardiaque; \r\n\u2022 L\u2019intervalle PR et le reste de l\u2019\u00e9lectrocardiogramme sont g\u00e9n\u00e9ralement normaux; ","ecg_info_post_answer":"<img class=\"alignnone wp-image-10325 size-large\" src=\"https:\/\/cardiocases.com\/wp-content\/uploads\/2026\/04\/page-249-1024x627.png\" alt=\"\" width=\"800\" height=\"490\" \/>"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trac\u00e9 6.1: Arythmie sinusale respiratoire - 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-6-1-arythmie-sinusale-respiratoire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trac\u00e9 6.1: Arythmie sinusale respiratoire - Cardiocases\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cardiocases.com\/fr\/ecg_case\/trace-6-1-arythmie-sinusale-respiratoire\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardiocases\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-02T19:47:16+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/\",\"url\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/\",\"name\":\"Trac\u00e9 6.1: Arythmie sinusale respiratoire - Cardiocases\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cardiocases.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cardiocases.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/trace-6-1-ecg-4-scaled-e1775159139105.png\",\"datePublished\":\"2026-04-02T19:47:15+00:00\",\"dateModified\":\"2026-04-02T19:47:16+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/#primaryimage\",\"url\":\"https:\\\/\\\/cardiocases.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/trace-6-1-ecg-4-scaled-e1775159139105.png\",\"contentUrl\":\"https:\\\/\\\/cardiocases.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/trace-6-1-ecg-4-scaled-e1775159139105.png\",\"width\":2560,\"height\":1500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/cardiocases.com\\\/ecg_case\\\/trace-6-1-arythmie-sinusale-respiratoire\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/cardiocases.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trac\u00e9 6.1: Arythmie sinusale respiratoire\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/cardiocases.com\\\/#website\",\"url\":\"https:\\\/\\\/cardiocases.com\\\/\",\"name\":\"Cardiocases\",\"description\":\"Real cardiac device traces, pacemaker &amp; 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