{"id":304,"date":"2022-02-07T19:22:59","date_gmt":"2022-02-07T22:22:59","guid":{"rendered":"http:\/\/arritmed.com.br\/?p=304"},"modified":"2022-02-09T19:20:44","modified_gmt":"2022-02-09T22:20:44","slug":"deflexao-intrinsecoide-e-tempo-de-ativacao-ventricular","status":"publish","type":"post","link":"https:\/\/arritmed.com.br\/?p=304","title":{"rendered":"Deflex\u00e3o Intrinsec\u00f3ide e Tempo de Ativa\u00e7\u00e3o Ventricular"},"content":{"rendered":"\n<p>Muitas pessoas fazem confus\u00e3o na defini\u00e7\u00e3o de Deflex\u00e3o Intrinsec\u00f3ide e Tempo de Ativa\u00e7\u00e3o Ventricular, acreditando ser a mesma coisa. Uma tem rela\u00e7\u00e3o com a outra mas n\u00e3o s\u00e3o sin\u00f4nimos. <\/p>\n\n\n\n<!--more-->\n\n\n\n<p>O que seria Deflex\u00e3o Intrinsec\u00f3ide? <\/p>\n\n\n\n<p>Deflex\u00e3o intrinsec\u00f3ide \u00e9 o momento que ocorre uma queda\nbrusca de potencial entre o pico da onda positiva e o v\u00e9rtice da onda negativa,\nou seja, a representatividade do momento exato que o dipolo passa por um\neletrodo explorador (mudan\u00e7a de polaridade). &nbsp;<\/p>\n\n\n\n<p>Conceito: \u00e9 a deflex\u00e3o registrada no eletrocardiograma entre\no pico da onda positiva (onda R) e o v\u00e9rtice da onda negativa (onda S). <\/p>\n\n\n\n<p>O que seria Tempo de Ativa\u00e7\u00e3o Ventricular (TAV)? <\/p>\n\n\n\n<p>O Tempo de Ativa\u00e7\u00e3o Ventricular (TAV) corresponde ao intervalo do in\u00edcio do QRS (onda Q ou R) at\u00e9 o pico da onda R. \u00c9 uma avalia\u00e7\u00e3o indireta do tempo necess\u00e1rio para que a ativa\u00e7\u00e3o ventricular percorra toda a espessura da parede do ventr\u00edculo esquerdo. Podemos tamb\u00e9m caracterizar como o intervalo do in\u00edcio do QRS at\u00e9 a Deflex\u00e3o Intrinsec\u00f3ide. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"814\" src=\"https:\/\/arritmed.com.br\/wp-content\/uploads\/2022\/02\/DEflex\u00e3o-intrasecoide-corte-1024x814.jpg\" alt=\"\" class=\"wp-image-307\" srcset=\"https:\/\/arritmed.com.br\/wp-content\/uploads\/2022\/02\/DEflex\u00e3o-intrasecoide-corte-1024x814.jpg 1024w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2022\/02\/DEflex\u00e3o-intrasecoide-corte-300x238.jpg 300w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2022\/02\/DEflex\u00e3o-intrasecoide-corte-768x610.jpg 768w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2022\/02\/DEflex\u00e3o-intrasecoide-corte.jpg 1080w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A medida\nnormal do TAV n\u00e3o deve ultrapassar 0,04 segundos. Uma das utilidades pr\u00e1ticas\ndessa medida \u00e9 na investiga\u00e7\u00e3o de sobrecarga ventricular. Na sobrecarga\nventricular esquerda a medida do TAV nas deriva\u00e7\u00f5es V5 e V6 estar\u00e1 aumentada (\u22650,05).\nJ\u00e1 na sobrecarga ventricular direita, podemos observar o aumento do TAV em V1.<\/p>\n\n\n\n<p>Refer\u00eancia:<\/p>\n\n\n\n<p>Carneiro, EF. O Eletrocardiograma &#8211; 10 anos depois. Rio de\njaneiro: Editora En\u00e9as Ferreira Carneiro , 1997.<\/p>\n\n\n\n<p>Sanches, PC; Moffa, P. Eletrocardiograma, Uma abordagem did\u00e1tica. S\u00e3o Paulo: Roca, 2019<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/arritmed.com.br\/wp-content\/uploads\/2019\/08\/curriculo-para-site-1024x576.jpg\" alt=\"\" class=\"wp-image-85\" srcset=\"https:\/\/arritmed.com.br\/wp-content\/uploads\/2019\/08\/curriculo-para-site-1024x576.jpg 1024w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2019\/08\/curriculo-para-site-300x169.jpg 300w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2019\/08\/curriculo-para-site-768x432.jpg 768w, https:\/\/arritmed.com.br\/wp-content\/uploads\/2019\/08\/curriculo-para-site.jpg 1280w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea sabe o que \u00e9 Deflex\u00e3o Intrinsec\u00f3ide? E Tempo de Ativa\u00e7\u00e3o Ventricular? Acompanhe nossa postagem e tire suas d\u00favidas. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[79,78,13],"class_list":["post-304","post","type-post","status-publish","format-standard","hentry","category-sem-categoria","tag-tempo-de-ativacao-ventricular","tag-deflexao-intrinsecoide","tag-eletrocardiograma"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Deflex\u00e3o Intrinsec\u00f3ide e Tempo de Ativa\u00e7\u00e3o Ventricular -<\/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:\/\/arritmed.com.br\/?p=304\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deflex\u00e3o Intrinsec\u00f3ide e Tempo de Ativa\u00e7\u00e3o Ventricular -\" \/>\n<meta property=\"og:description\" content=\"Voc\u00ea sabe o que \u00e9 Deflex\u00e3o Intrinsec\u00f3ide? 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