{"id":70588,"date":"2017-05-25T11:25:07","date_gmt":"2017-05-25T11:25:07","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/contractiile-ventriculare-premature-pvc\/"},"modified":"2025-01-13T02:46:10","modified_gmt":"2025-01-13T02:46:10","slug":"contractiile-ventriculare-premature-pvc","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/diseases\/contractiile-ventriculare-premature-pvc\/","title":{"rendered":"Contrac\u021biile ventriculare premature (PVC)"},"content":{"rendered":"<h2 id=\"definitie\">Defini\u021bie<\/h2>\n<p>Contrac\u021biile ventriculare premature (PVC) sunt b\u0103t\u0103i anormale ale inimii, care-\u0219i au originea &icirc;n ventriculii inimii. Acestea sunt cauzate de &quot;iritabilitatea&quot; electric\u0103 a mu\u0219chiului cardiac al ventriculelor \u0219i perturb\u0103 ritmul normal al inimii, provoc&acirc;nd zv&acirc;cniri ale pulsului sau b\u0103t\u0103i neregulate &icirc;n piept. Contrac\u021biile ventriculare premature sunt foarte frecvente \u0219i apar cu prec\u0103dere la persoanele mai &icirc;n v&acirc;rst\u0103, la persoanele cu tensiune arterial\u0103 crescut\u0103 \u0219i la persoanelor cu afec\u021biuni cardiace.<\/p>\n<p>Contrac\u021biile ventriculare premature se mai numesc:<\/p>\n<p>Complexe ventriculare premature<\/p>\n<p>PVC<\/p>\n<p>B\u0103t\u0103i ventriculare premature<\/p>\n<p>Extrasistole<\/p>\n<p>Op\u021biunile de tratament pentru contrac\u021biile ventriculare premature implic\u0103, de obicei, tratarea problemelor cardiace originare, pentru a ajuta la prevenirea altor complica\u021bii care ar putea ap\u0103rea sau, &icirc;n cazuri grave, a insuficien\u021bei cardiace.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptome\">Simptome<\/h2>\n<p>De\u0219i contrac\u021biile ventriculare premature nu produc adesea simptome, pot provoca o senza\u021bie ciudat\u0103 &icirc;n piept, cum ar fi:<\/p>\n<p>Zv&acirc;cniri ale pulsului<\/p>\n<p>Un sunet de f&icirc;lf&acirc;ire<\/p>\n<p>Senza\u021bia de cioc\u0103nit puternic<\/p>\n<p>B\u0103taia neregulat\u0103 a inimii<\/p>\n<p>Cre\u0219terea gradului de con\u0219tientizare a b\u0103t\u0103ilor inimii<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"cauze\">Cauze<\/h2>\n<p>Inima este alc\u0103tuit\u0103 din patru camere: dou\u0103 camere superioare (atrii) \u0219i dou\u0103 camere inferioare (ventricule). Ritmul natural al inimii este &icirc;n mod normal controlat de nodul sinoatrial (nodul SA), o zon\u0103 de celule specializate situate &icirc;n atriul drept.<\/p>\n<p>Nodul sinoatrial ac\u021bioneaz\u0103 ca stimulator cardiac natural pentru inim\u0103 \u0219i transmite semnale electrice, care declan\u0219eaz\u0103 b\u0103t\u0103ile normale ale inimii.<\/p>\n<p>&Icirc;n timpul contrac\u021biei premature a ventriculului, contrac\u021biile anormale sunt declan\u0219ate de iritabilitatea electric\u0103 a mu\u0219chiului cardiac al ventriculilor \u0219i pot fi cauzate de:<\/p>\n<p>Atacuri de cord<\/p>\n<p>Afec\u021biuni ale inimii<\/p>\n<p>Lips\u0103 de oxigen<\/p>\n<p>Dezechilibre electrolitice &icirc;n organism<\/p>\n<p>Anumite medicamente<\/p>\n<p>Consumul excesiv de alcool<\/p>\n<p>Consumul de droguri ilegale<\/p>\n<p>Ca rezultat, b\u0103t\u0103ile neregulate ale inimii sunt mai pu\u021bin eficiente &icirc;n pomparea s&acirc;ngelui &icirc;n organism.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"factori-de-risc\">Factori de risc<\/h2>\n<p>Anumi\u021bi factori, care pot cre\u0219te sau declan\u0219a riscul de contrac\u021bii premature ale ventriculului, sunt:<\/p>\n<p>Consumul de cofein\u0103<\/p>\n<p>Consumul de alcool<\/p>\n<p>Utilizarea tutunului<\/p>\n<p>Utilizarea ilegal\u0103 de droguri<\/p>\n<p>Tensiune arterial\u0103 crescut\u0103 (hipertensiune arterial\u0103)<\/p>\n<p>Nelini\u015ftea<\/p>\n<p>Anumite afec\u021biuni cardiace (boli de inim\u0103, atac de cord, insuficien\u021b\u0103 cardiac\u0103)<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complicatii\">Complica\u021bii<\/h2>\n<p>Anumite complica\u021bii, care pot ap\u0103rea din frecven\u021ba contrac\u021biilor ventriculare premature sau din anumite modele ale acestora, pot include:<\/p>\n<p>Aritmii: o afec\u021biune care provoac\u0103 un ritm cardiac neregulat (b\u0103t\u0103ile inimii fie prea rapide, fie prea lente)<\/p>\n<p>Cardiomiopatie: o boal\u0103 dob&acirc;ndit\u0103 sau ereditar\u0103 a mu\u0219chiului inimii, cauz&acirc;nd sl\u0103birea inimii<\/p>\n<p>&Icirc;n cazuri rare, contrac\u021biile premature frecvente pot duce la ritm cardiac periculos \u0219i chiar la moarte cardiac\u0103.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"tratament\">Tratament<\/h2>\n<p>Majoritatea persoanelor cu contrac\u021bii ventriculare premature (PVC), \u0219i o inim\u0103 s\u0103n\u0103toas\u0103 &icirc;n rest, nu au nevoie de tratament. &Icirc;n unele cazuri, totu\u0219i, o boal\u0103 cardiac\u0103 subiacent\u0103 poate declan\u0219a tulbur\u0103ri grave ale ritmului.<\/p>\n<p>&Icirc;n aceste cazuri, tratamentul este de obicei recomandat de:<\/p>\n<p>Efectuarea anumitor modific\u0103ri ale stilului de via\u021b\u0103: eliminarea cofeinei \u0219i a consumului de tutun poate contribui la sc\u0103derea frecven\u021bei \u0219i severit\u0103\u021bii simptomelor asociate cu contrac\u021biile ventriculare premature.<\/p>\n<p>Utilizarea anumitor medicamente: beta-blocantele, utilizate pentru tratamentul hipertensiunii arteriale \u0219i a bolilor de inim\u0103, pot reprima contrac\u021biile premature. Alte medicamente anti-aritmice sau blocante ale canalelor de calciu pot fi folosite pentru a ajuta la reglarea func\u021bion\u0103rii inimii.<\/p>\n<p>Abla\u021bia prin cateter cu radiofrecven\u021b\u0103: o procedur\u0103 care utilizeaz\u0103 energia de radiofrecven\u021b\u0103 pentru a distruge zona \u021besutului cardiac care provoac\u0103 contrac\u021bii neregulate.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-70588","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Contrac\u021biile ventriculare premature (PVC) - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contrac\u021biile ventriculare premature (PVC) - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Defini\u021bie Contrac\u021biile ventriculare premature (PVC) sunt b\u0103t\u0103i anormale ale inimii, care-\u0219i au originea &icirc;n ventriculii inimii. Acestea sunt cauzate de &quot;iritabilitatea&quot; electric\u0103 a mu\u0219chiului cardiac al ventriculelor \u0219i perturb\u0103 ritmul normal al inimii, provoc&acirc;nd zv&acirc;cniri ale pulsului sau b\u0103t\u0103i neregulate &icirc;n piept. 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