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Arytmogen høyre ventrikkel kardiomyopati (ARVC)

Sist revidert:
Sist revidert av:


Definisjon:
ARVC er en form for kardiomyopati hvor muskelvev i høyre ventrikkel gradvis erstattes av fett- og bindevev. Dette kan føre til arytmier og plutselig hjertedød. Sykdommen er genetisk med autosomal dominant arvegang. 
Forekomst:
Ca. 8 tilfeller per 10 000 voksne personer, med stor variasjon mellom ulike land
Symptomer:
Mange er symptomfri. Symptomer kan være hjertebank, hurtig puls, brystsmerter, besvimelse
Funn:
Ved undersøkelse kan det tidlig høres spaltet 2. tone, ellers som regel normale funn
Diagnostikk:
EKG kan vise arytmier eller ledningsfeil. Ved ekko- eller kontrastundersøkelser kan man påvise svekkelse og feilfunksjon av høyre hjertekammer. MR kan vise typisk fettinfiltrasjon
Behandling:
Pasienter som vurderes å ha høy risiko for plutselig hjertedød, behandles med hjertestarter (ICD), ev. med tillegg av antiarytmika
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  • Ingard Løge, spesialist allmennmedisin, redaktør NEL, universitetslektor, Institutt for samfunnsmedisinske fag, NTNU