Summary
Samenvatting - Orgaansystemen Hartfalen
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- Institution
Samenvatting voor het vak orgaansystemen, over het deel hartfalen.
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SAMENVATTINGORGAANSYSTEMEN 4
Hartfalen
BMW20205 2019-2020
Marieke Roos
, 2
Hartfalen
Hartfalen: Onvermogen van het hart om voldoende cardiale output te behouden
om optimaal te voldoen aan de metabolische eisen van weefsels en
organen
Progressieve ziekte: Het wordt steeds erger
Klasse 1: Geen symptomen tijdens normale activiteit
Klasse 2: Symptomen tijdens krachtige activiteiten
Klasse 3: Symptomen tijdens milde activiteiten
Klasse 4: Symptomen tijdens rust
Oorzaken
Verminderde spier functie
- Hartziekte Aangeboren
- Myocardinfarct Beschadiging hartspier door zuurstof tekort
- Cardiomyopathie Hartspier kan minder samentrekken/ontspannen
- Myocarditis Ontsteking aan je hart
Volume overload
- Valvulaire disfunctie
- Intra- of extra cardiale shunts
- Overvulling op lange termijn
PV-lus
Toegenomen afterload
o Druk in de aorta neemt toe
o Aorta klep gaat bij een hogere druk
open
o Slag volume neemt af
Toegenomen contractiliteit
o Kracht van de hartspier neemt toe
o Steilheid van de eind systolische druk-
volume relatie neemt toe
o Hart pomp langer bloed uit
o Slagvolume neemt toe
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