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... > disease > cardiovascular disease > heart disease > conduction disorder > heart block > first degree heart block

Preferred term

first degree heart block  

Definition(s)

  • First-degree atrioventricular block (AV block), is a disease of the electrical conduction system of the heart in which the PR interval is lengthened beyond 0.20 seconds.In first-degree AV block, the impulse conducting from atria to ventricles through the atrioventricular node (AV node) is delayed and travels slower than normal. (Wikipedia)

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http://data.loterre.fr/ark:/67375/VH8-ZGLQBRPB-G

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