{"id":300764,"date":"2025-09-16T08:05:02","date_gmt":"2025-09-16T06:05:02","guid":{"rendered":"https:\/\/vithas.es\/?post_type=diagnosticprocedure&#038;p=300764"},"modified":"2025-09-16T08:05:02","modified_gmt":"2025-09-16T06:05:02","slug":"electromiografia-emg","status":"publish","type":"diagnosticprocedure","link":"https:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiografia-emg\/","title":{"rendered":"Electromiografia (EMG)"},"template":"","diagnosticproceduretype":[2232],"class_list":["post-300764","diagnosticprocedure","type-diagnosticprocedure","status-publish","hentry"],"wpml_translations":{"ca":{"id":"300764","slug":"electromiografia-emg","lang":"ca"},"es":{"id":"646","slug":"electromiografia-emg","lang":"es"}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Electromiografia (EMG) : que es y para que sirve - Vithas<\/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:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiografia-emg\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electromiografia (EMG)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiografia-emg\/\" \/>\n<meta property=\"og:site_name\" content=\"Vithas\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/es-es.facebook.com\/HospitalesVithas\/\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vithas.es\/wp-content\/uploads\/2021\/12\/life_Claim.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1501\" \/>\n\t<meta property=\"og:image:height\" content=\"480\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Vithas\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiografia-emg\/\",\"url\":\"https:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiografia-emg\/\",\"name\":\"Electromiografia (EMG) : que es y para que sirve - 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L'estudi electromiogr\u00e0fic \u00e9s recomanable fer-lo a partir dels 15-20 dies despr\u00e9s del comen\u00e7ament dels s\u00edmptomes.<\/p>\r\n\r\n<p>Si nom\u00e9s es realitza electroneurograma (estudis de conducci\u00f3 nerviosa sensitiva i motora) no cal introduir agulles als m\u00fasculs. \u00c9s una prova m\u00ednimament invasiva.<\/p>\r\n<h2>Per qu\u00e8 serveix una electromiografia?<\/h2>\r\n<p>Gr\u00e0cies a l'electromiograma es poden diagnosticar amb precisi\u00f3 malalties neuromusculars cong\u00e8nites o adquirides i permet classificar-les segons la intensitat i l'origen.<\/p>\r\n<p>L'electromiografia \u00e9s una prova \u00fatil quan se sospiten les malalties seg\u00fcents:<\/p>\r\n<ul>\r\n<li>Neuropaties<\/li>\r\n<li>Distr\u00f2fies musculars<\/li>\r\n<li>Miast\u00e8nia greu<\/li>\r\n<li>S\u00edndrome del canal carpi\u00e0<\/li>\r\n<li>Esclerosis lateral amiotr\u00f3fica (ELA)<\/li>\r\n<li>S\u00edndrome de Guillain-Barr\u00e9<\/li>\r\n<\/ul>\r\n<h2>Com m'he de preparar?<\/h2>\r\n<ul>\r\n<li>No es requereix preparaci\u00f3 especial per a la realitzaci\u00f3 de l'electromiograma, per la qual cosa no cal acudir en dej\u00fa. Tampoc necessari anar acompanyat.<\/li>\r\n<li>Es recomana evitar l'\u00fas de qualsevol crema o loci\u00f3 el dia de l'examen a la zona on s'aplicaran els el\u00e8ctrodes. Tamb\u00e9 \u00e9s recomanable no fer exercici f\u00edsic intens els cinc dies previs a la prova.<\/li>\r\n<li>La temperatura corporal pot afectar els resultats d'aquest examen. Si fa molt de fred fora, esperi a una habitaci\u00f3 a temperatura ambient abans que es dugui a terme l'examen.<\/li>\r\n<li>Abans de fer l'examen, informa a la persona amb qui realitzes la prova si prens f\u00e0rmacs contra l'epil\u00e8psia, malalties psiqui\u00e0triques, antiar\u00edtmics, relaxants musculars, antiagregants, anticoagulants o antiinframatioris.<\/li>\r\n<\/ul>\r\n<h2>Com es fa?<\/h2>\r\n<ul>\r\n<li>L'electromiograma es realitza normalment de forma ambulat\u00f2ria i la durada de la prova \u00e9s aproximadament 20-30 minuts<\/li>\r\n<li>Un cop finalitzada, podr\u00e0s tornar a casa amb normalitat.<\/li>\r\n<li>Haur\u00e0s de despullar la zona a estudiar i, un cop neta as\u00e8pticament, el metge introduir\u00e0 un el\u00e8ctrode d'agulla molt prim a trav\u00e9s de la pell dins el m\u00fascul.<\/li>\r\n<li>L'el\u00e8ctrode a l'agulla detecta l'activitat el\u00e8ctrica alliberada pels m\u00fasculs. Aquesta activitat apareix a un monitor proper i es pot escoltar a trav\u00e9s d'altaveu.<\/li>\r\n<li>Despr\u00e9s de la col\u00b7locaci\u00f3 dels el\u00e8ctrodes, se't pot sol\u00b7licitar que contraguis el m\u00fascul perqu\u00e8 els el\u00e8ctrodes registrin l'activitat el\u00e8ctrica. Despr\u00e9s, es realitzar\u00e0 la prova de manera contr\u00e0ria i els el\u00e8ctrodes realitzaran desc\u00e0rregues el\u00e8ctriques que provocaran contraccions musculars.<\/li>\r\n<\/ul>\r\n<h2>Qu\u00e8 es sent?<\/h2>\r\n<ul>\r\n<li>Durant la realitzaci\u00f3 de l'estudi, es pot sentir una mica de dolor o mol\u00e8stia en el moment en qu\u00e8 s'introdueixen les agulles, per\u00f2 la majoria de les persones s\u00f3n capa\u00e7os de completar l'examen sense problema.<\/li>\r\n<li>Tamb\u00e9 poden augmentar les mol\u00e8sties en moure els m\u00fasculs, per\u00f2 nom\u00e9s seran uns segons.<\/li>\r\n<\/ul>\r\n<h2>Recuperaci\u00f3<\/h2>\r\n<ul>\r\n<li>Un cop acabada la prova, el pacient pot sentir dolor o sensibilitat al m\u00fascul o patir l'aparici\u00f3 d'hematomes durant uns quants dies.<\/li>\r\n<li>Al final de la prova pot ser necessari pressionar el punt de punci\u00f3 per evitar el sagnat.<\/li>\r\n<li>Es netejar\u00e0 de nou la zona i es posaran petits ap\u00f2sits als punts de punci\u00f3.<\/li>\r\n<\/ul>\r\n<h2>Quins riscos hi ha?<\/h2>\r\n<ul>\r\n<li>L'electromiograma \u00e9s una prova for\u00e7a segura, poc invasiva i que gaireb\u00e9 no implica riscos.<\/li>\r\n<li>Tampoc hi ha riscos per l'embar\u00e0s.<\/li>\r\n<li>No obstant aix\u00f2, es pot donar un sagnat (m\u00ednim) o infecci\u00f3 als llocs d'inserci\u00f3 dels el\u00e8ctrodes, una cosa extremadament inusual gr\u00e0cies a l'\u00fas d'agulles esterilitzades d'un sol \u00fas.<\/li>\r\n<li>Segons el lloc explorat, pot apar\u00e8ixer alguna complicaci\u00f3 sobre estructures properes al m\u00fascul, encara que s\u00f3n molt poc freq\u00fcents les descrites.<\/li>\r\n<li>Altres complicacions que s'han descrit en relaci\u00f3 amb ella \u00e9s que alguns dels el\u00e8ctrodes poden arribar a irritar la pell en persones especialment sensibles, cosa no gaire freq\u00fcent.<\/li>","vth_diagnostic_procedure_location":[]},"_links":{"self":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure\/300764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure"}],"about":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/types\/diagnosticprocedure"}],"version-history":[{"count":1,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure\/300764\/revisions"}],"predecessor-version":[{"id":314989,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure\/300764\/revisions\/314989"}],"wp:attachment":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/media?parent=300764"}],"wp:term":[{"taxonomy":"diagnosticproceduretype","embeddable":true,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticproceduretype?post=300764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}