{"id":323019,"date":"2021-08-25T08:14:47","date_gmt":"2021-08-25T08:14:47","guid":{"rendered":"https:\/\/vithas.es\/prueba-diagnostica\/electromiograma\/"},"modified":"2025-11-10T11:56:06","modified_gmt":"2025-11-10T10:56:06","slug":"electromiograma","status":"publish","type":"diagnosticprocedure","link":"https:\/\/vithas.es\/ca\/prueba-diagnostica\/electromiograma\/","title":{"rendered":"Electromiograma"},"template":"","diagnosticproceduretype":[2232],"class_list":["post-323019","diagnosticprocedure","type-diagnosticprocedure","status-publish","hentry"],"wpml_translations":{"ca":{"id":"323019","slug":"electromiograma","lang":"ca"},"es":{"id":"647","slug":"electromiograma","lang":"es"}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Electromiograma : que es y para que sirve - Vithas<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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consisteix en l'avaluaci\u00f3 electrofisiol\u00f2gica del sistema neuromuscular (sistema nervi\u00f3s perif\u00e8ric, uni\u00f3 neuromuscular i m\u00fasculs esquel\u00e8tics).\r\n\r\nTot i que el terme \"electromiografia\" se sol utilitzar per designar totes les t\u00e8cniques neurofisiol\u00f2giques utilitzades per a l'estudi funcional del sistema neuromuscular, en realitat s'hauria de restringir al registre de l'activitat el\u00e8ctrica muscular amb el\u00e8ctrode d'agulla. L'estudi electromiogr\u00e0fic \u00e9s recomanable fer-lo a partir dels 15-20 dies despr\u00e9s del comen\u00e7ament dels s\u00edmptomes.\r\n\r\nSi 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.\r\n<h2>Per qu\u00e8 serveix un electromiograma?<\/h2>\r\nGr\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.\r\n\r\nL'electromiografia \u00e9s una prova \u00fatil quan se sospiten les malalties seg\u00fcents:\r\n<ul> \r\n<li>Neuropaties<\/li> \r\n<li>Distr\u00f2fies musculars.<\/li> \r\n<li>Miastenia gravis<\/li> \r\n<li>S\u00edndrome del t\u00fanel carpi\u00e0<\/li> \r\n<li>Esclerosi lateral amiotr\u00f2fica<\/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 no \u00e9s obligatori acudir acompanyat.<\/li> \r\n<li>Es recomana evitar l'\u00fas de qualsevol crema o loci\u00f3 el dia de l'examen a la zona a la qual 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, espereu en un quart tebi per una estona abans que es faci l'examen.<\/li> \r\n<li>Abans de fer l'examen, comenceu a la persona que l'estigui realitzant si esteu prenent 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<\/li> \r\n<li>prova \u00e9s de 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 del m\u00fascul.<\/li> \r\n<li>L'el\u00e8ctrode a l'agulla detecta l'activitat el\u00e8ctrica alliberada pels m\u00fasculs. Aquesta activitat apareix en un monitor proper i es pot escoltar mitjan\u00e7ant 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 se 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 persones s\u00f3n capaces de completar l'examen sense cap 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 per 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 tornar\u00e0 a netejar 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 a 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>\r\n<\/ul>","vth_diagnostic_procedure_location":[]},"_links":{"self":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure\/323019","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\/323019\/revisions"}],"predecessor-version":[{"id":323021,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticprocedure\/323019\/revisions\/323021"}],"wp:attachment":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/media?parent=323019"}],"wp:term":[{"taxonomy":"diagnosticproceduretype","embeddable":true,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/diagnosticproceduretype?post=323019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}