{"id":36082,"date":"2017-03-30T13:59:07","date_gmt":"2017-03-30T13:59:07","guid":{"rendered":"http:\/\/humanitas.local\/diseases\/blocaj-cardiac-complet\/"},"modified":"2017-03-30T13:59:07","modified_gmt":"2017-03-30T13:59:07","slug":"blocaj-cardiac-complet","status":"publish","type":"disease","link":"https:\/\/www.humanitas.net\/ro\/diseases\/blocaj-cardiac-complet\/","title":{"rendered":"Blocaj cardiac complet"},"content":{"rendered":"

Blocaj cardiac complet<\/h2>\n

 <\/p>\n

Blocajul cardiac complet este insuficien\u021ba sistemului impulsurilor electrice de la atriu la ventricul. La aceast\u0103 boal\u0103, afectarea \u021besutului de transmitere al inimii nu permite impulsurilor electrice de la atriu s\u0103 intre în ventricul, astfel ventriculul nu poate func\u021biona normal. Mu\u0219chiul inimii se contract\u0103 automat de\u0219i exist\u0103 lips\u0103 de semnal. Ventriculul se contract\u0103 de 40 de ori pe minut, sau mai pu\u021bin, în loc de 60 – 80 de b\u0103t\u0103i pe minut, care reduc semnificativ eficien\u021ba inimii. În anumite cazuri, inima poate înceta s\u0103 mai bat\u0103, chiar \u0219i 20 de secunde.<\/p>\n

 <\/p>\n

Exist\u0103 patru tipuri de blocaj cardiac:<\/p>\n

de gradul I – impulsuri electrice încetinite, dar ajung la ventricul<\/p>\n

de gradul II (tipul I) – impulsurile electrice sunt foarte întârziate pân\u0103 ce b\u0103taia nu mai ajunge la ventricul<\/p>\n

de gradul II (tipul II) – unele impulsuri electrice nu mai ajung la ventricule; mai rar decât la tipul I, dar mai serioase<\/p>\n

de gradul III (tipul III) sau blocaj cardiac complet – nici unul din impulsuri nu mai ajunge la ventricule – impulsurile electrice sunt încetinite sau blocate pe drumul c\u0103tre \u021besutul conduc\u0103tor.<\/p>\n

Blocajul cardiac complet apare mai frecvent la oamenii în vârst\u0103.<\/p>\n

 <\/p>\n

Simptome<\/h2>\n

Simptomele blocajului cardiac complet apar treptat sau brusc. Acestea sunt:<\/p>\n

palpita\u021bii (senza\u021bia de disconfort sau b\u0103t\u0103ile anormale, neregulate ale inimii)<\/p>\n

ame\u021beal\u0103<\/p>\n

pierderea con\u0219tiin\u021bei când inimi înceteaz\u0103 s\u0103 mai bat\u0103<\/p>\n

lipsa aerului<\/p>\n

durere în piept.<\/p>\n

 <\/p>\n

Cauze<\/h2>\n

Cauzele blocajului cardiac complet sunt deseori bolile arterei coronare, din moment ce una sau mai multe artere care furnizeaz\u0103 c\u0103tre inim\u0103 sânge bogat în oxigen poate fi îngustat\u0103. Infarctul miocardic poate fi \u0219i cauza unui viitor blocaj cardiac complet. Apoi, problemele valvei inimii, medicamentele, expunerea la substan\u021be toxice, boala Lyme \u0219i îmb\u0103trânirea sunt alte cauze posibile.<\/p>\n

 <\/p>\n

Factori de risc<\/h2>\n

Factorii de risc pentru blocajul cardiac complet sunt:<\/p>\n

boala arterei coronare<\/p>\n

fumatul<\/p>\n

atacul de cord<\/p>\n

dieta bogat\u0103 în gr\u0103simi<\/p>\n

obezitatea<\/p>\n

lipsa de activitate fizic\u0103<\/p>\n

bolile congenitale ale inimii.<\/p>\n

 <\/p>\n

Complica\u021bii<\/h2>\n

Complica\u021biile blocajului cardiac complet apar dac\u0103 boala nu este tratat\u0103. Acestea sunt: insuficien\u021b\u0103 cardiac\u0103 cronic\u0103 sau acut\u0103, \u0219oc, atac cerebral, chiar moarte.<\/p>\n","protected":false},"author":9,"featured_media":0,"template":"","yoast_head":"\nBlocaj cardiac complet - Humanitas.net<\/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:\/\/www.humanitas.net\/ro\/diseases\/blocaj-cardiac-complet\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blocaj cardiac complet - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Blocaj cardiac complet   Blocajul cardiac complet este insuficien\u021ba sistemului impulsurilor electrice de la atriu la ventricul. La aceast\u0103 boal\u0103, afectarea \u021besutului de transmitere al inimii nu permite impulsurilor electrice de la atriu s\u0103 intre în ventricul, astfel ventriculul nu poate func\u021biona normal. Mu\u0219chiul inimii se contract\u0103 automat de\u0219i exist\u0103 lips\u0103 de semnal. 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