{"id":286567,"date":"2026-03-03T12:32:33","date_gmt":"2026-03-03T17:32:33","guid":{"rendered":"https:\/\/www.southcoast.org\/?post_type=services&#038;p=286567"},"modified":"2026-03-09T12:15:43","modified_gmt":"2026-03-09T17:15:43","slug":"how-to-prepare","status":"publish","type":"services","link":"https:\/\/www.southcoast.org\/pt\/services\/radiology\/magnetic-resonance-imaging-mri\/how-to-prepare\/","title":{"rendered":"O que esperar durante uma resson\u00e2ncia magn\u00e9tica"},"content":{"rendered":"<p>Um t\u00e9cnico de radiologia realizar\u00e1 a sua RM num dos nossos hospitais ou num centro de imagiologia. A RM dura de alguns minutos a uma hora ou mais, e todos os pacientes precisam de retirar todo o metal e vestir uma bata de hospital.<\/p>\n\n\n\n<p>Durante a resson\u00e2ncia magn\u00e9tica, o doente deita-se numa mesa dentro do aparelho de resson\u00e2ncia magn\u00e9tica. O aparelho tem a forma de um tubo comprido ou de um anel aberto e achatado (RMN aberta). Tem de ficar o mais im\u00f3vel poss\u00edvel enquanto o t\u00e9cnico tira uma s\u00e9rie de fotografias.<\/p>\n\n\n\n<p>Poder\u00e1 ser necess\u00e1rio um corante de contraste para real\u00e7ar determinadas partes ou sistemas do corpo, como os vasos sangu\u00edneos. N\u00e3o h\u00e1 risco de exposi\u00e7\u00e3o a radia\u00e7\u00f5es com uma RM.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.southcoast.org\/pt\/services\/radiology\/magnetic-resonance-imaging-mri\/how-to-prepare\/#Sounds\"><strong>Ou\u00e7a como soa uma resson\u00e2ncia magn\u00e9tica<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Preparar a Sua Visita<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Roupa e metal:<\/strong> Ser-lhe-\u00e1 pedido para remover objetos de metal (joias, rel\u00f3gios, ganchos de cabelo, aparelhos auditivos, piercings, etc.). Ter\u00e1 de vestir uma bata hospitalar.<\/li>\n\n\n\n<li><strong>Hist\u00f3rico m\u00e9dico:<\/strong> Um T\u00e9cnico ir\u00e1 selecion\u00e1-lo para: \n<ul class=\"wp-block-list\">\n<li>Pacemakers, implantes, fragmentos de metal ou grampos cir\u00fargicos <\/li>\n\n\n\n<li> Um historial de problemas renais<\/li>\n\n\n\n<li>Claustrofobia ou ansiedade<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Comida e bebida:<\/strong> A maioria das resson\u00e2ncias magn\u00e9ticas n\u00e3o requer jejum, mas algumas sim \u2013 siga as instru\u00e7\u00f5es da sua consulta. <\/li>\n\n\n\n<li><strong>Meios de contraste:<\/strong> Alguns exames de resson\u00e2ncia magn\u00e9tica utilizam contraste. Se for o caso, este \u00e9 administrado por via intravenosa e geralmente causa apenas uma sensa\u00e7\u00e3o de fresco.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">O que acontece durante uma resson\u00e2ncia magn\u00e9tica<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deitar-se-\u00e1 numa mesa almofadada que desliza para dentro do aparelho de resson\u00e2ncia magn\u00e9tica (um t\u00fanel curto). <\/li>\n\n\n\n<li>O tecn\u00f3logo pode v\u00ea-lo e ouvi-lo durante todo o tempo e ter\u00e1 um bot\u00e3o de chamada se precisar de ajuda. <\/li>\n\n\n\n<li><strong>Ficar quieto \u00e9 muito importante,<\/strong> O movimento pode desfocar as imagens.<\/li>\n\n\n\n<li><strong>Os exames duram normalmente 20-60 minutos,<\/strong> dependendo do estudo.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Sounds\">Ru\u00eddos a Esperar Durante uma Resson\u00e2ncia Magn\u00e9tica<\/h2>\n\n\n\n<p>Os aparelhos de resson\u00e2ncia magn\u00e9tica fazem barulho durante a aquisi\u00e7\u00e3o de imagens devido aos campos magn\u00e9ticos que mudam rapidamente. Os sons s\u00e3o normais e expect\u00e1veis. Tipos comuns de ru\u00eddos que os aparelhos de resson\u00e2ncia magn\u00e9tica podem produzir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Batendo \/ Trambolh\u00f5es<\/strong> Batidas r\u00edtmicas e repetitivas<\/li>\n\n\n\n<li><strong>Ru\u00eddo \/ Zumbido:<\/strong> Sons el\u00e9tricos cont\u00ednuos<\/li>\n\n\n\n<li><strong>Clicar \/ Tocar:<\/strong> Impulsos mais r\u00e1pidos e mais leves<\/li>\n\n\n\n<li><strong>Sons de martelada \/ berbequim:<\/strong> Ritmos mais profundos e en\u00e9rgicos<\/li>\n<\/ul>\n\n\n\n<p>Estes ru\u00eddos podem alterar-se ao longo do exame \u00e0 medida que s\u00e3o tiradas diferentes imagens.<\/p>\n\n\n\n<p><strong>Qual o volume?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O ru\u00eddo da resson\u00e2ncia magn\u00e9tica pode variar de <strong>80\u2013110 decibel (dB) <\/strong>\n<ul class=\"wp-block-list\">\n<li>~80 dB: Tr\u00e1fego intenso na cidade <\/li>\n\n\n\n<li>~100 dB: Motociclo ou ferramentas el\u00e9tricas <\/li>\n\n\n\n<li>~110 dB: Som ao n\u00edvel de um concerto <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Por causa disto, ser-lhe-\u00e1 dado<strong> tamp\u00f5es, auscultadores ou ambos.<\/strong><\/li>\n\n\n\n<li>Muitas instala\u00e7\u00f5es tamb\u00e9m oferecem m\u00fasica para ajudar a reduzir o stress.<\/li>\n<\/ul>\n\n\n\n<p>O barulho pode soar intenso, mas \u00e9 inofensivo quando se usa prote\u00e7\u00e3o auditiva.<\/p>\n\n\n\n<p><strong>Como soam realmente os sons das resson\u00e2ncias magn\u00e9ticas?<\/strong><br>Por favor, clique na seguinte liga\u00e7\u00e3o para obter um exemplo de alguns sons que poder\u00e1 ouvir durante a sua resson\u00e2ncia magn\u00e9tica. Por favor, coloque o volume no m\u00e1ximo.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Sons de RMN\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/hvXoHU9Cexk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conforto e Dicas para Lidar<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pratique uma respira\u00e7\u00e3o lenta e constante.<\/li>\n\n\n\n<li>Mantenha os olhos fechados, se isso ajudar com a claustrofobia.<\/li>\n\n\n\n<li>Foca-te no ritmo dos sons\u2014muitas vezes seguem padr\u00f5es. <\/li>\n\n\n\n<li>Pergunte com anteced\u00eancia sobre:\n<ul class=\"wp-block-list\">\n<li>Op\u00e7\u00f5es de m\u00fasica <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Todas as unidades de Resson\u00e2ncia Magn\u00e9tica Southcoast s\u00e3o consideradas de grande di\u00e2metro.<\/li>\n\n\n\n<li>Normalmente, pode regressar \u00e0s suas atividades habituais de imediato. <\/li>\n\n\n\n<li>Se foi usado contraste, beba l\u00edquidos adicionais, a menos que lhe digam o contr\u00e1rio. <\/li>\n\n\n\n<li>Um radiologista ir\u00e1 rever as imagens e enviar os resultados ao seu m\u00e9dico. <\/li>\n\n\n\n<li>Assim que os resultados estiverem completos, estar\u00e3o dispon\u00edveis nas suas <a href=\"https:\/\/www.southcoast.org\/pt\/mychart\/\">O meu gr\u00e1fico<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>A radiologic technologist will perform your MRI at one of our hospitals or an imaging center. An MRI lasts from a few minutes to an hour or more, and all [&hellip;]<\/p>","protected":false},"parent":17560,"menu_order":0,"template":"","specialty":[],"class_list":["post-286567","services","type-services","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What to Expect During Your MRI - Southcoast Health<\/title>\n<meta name=\"description\" content=\"If your provider has recommended a Magnetic Resonance Imaging (MRI), you may be wondering what the experience will be like. An MRI is a safe, noninvasive imaging test that uses powerful magnets and radio waves to create detailed images of organs, tissues, and structures inside the body.Knowing what to expect can help you feel more comfortable and confident on the day of your exam. 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