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Samenvatting Proactive Nursing Zuurstofbalans Myocard

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Samenvatting van het boek proactive nursing. In deze samenvatting zijn de klinische aandachtspunten, de observaties en de vitale dreigingen voor het orgaansysteem Zuurstofbalans myocard beschreven.

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Samenvatting: Zuurstofbalans myocard
1. Zuurstofaanvoer
- Coronairen conditie
- Diastolische druk
- Hart frequentie
- Hb + SO2
- Viscositeit bloed
2. Zuurstofbehoefte
- Veneus aanbod
- Vaatweerstand
- Hartfrequentie
- Contractiliteit

 Zuurstofbalans: Verhouding tussen aavoer van zuurstof en hoeveelheid zuurstof die
het hart nodig heeft om te presteren

 Doorbloeding van het hart door coronairen in diastole
↳ als zuurstofaanvoer tekort schiet t.o.v. de behoefteontstaat
ischemie en pompfunctieverlies en hartspier kan beschadigd raken.


Verband orgaansystemen
Zuustofbalans myocard heeft veel functionele relaties met andere orgaansystemen

Zuurstofbalans myocard  Ademhaling:
 - Longen enige toegansweg voor O2
- Satureren Hb in langsstromende erytrocyten
met zuurstof
Circulatie:
- Hart is onderdeel van de circulatie
- Har moet zichzelf ook van bloed voorzien
- Hartactie bepaald zuurstofbehoefte hartspier
Vocht- en elektrolytenbalans:
- Voldoende vocht: bloed dun genoeg om in
capillairen te stromen
- Dehydratie: vertraagde bloedstroom
Bloed:
- Hb enige relevante zuurstofdrager, moet
daarom op voldoende niveau zijn
- Anemie is 1 van de 5 vormen van hypoxie
1. Zuurstofaanvoer

Hoofdvoorwaarde optimale pompfunctie: voldoende zuurstofaanvoer naar hartspier

Coronairen conditie
↳ Arteriën van de hartspier

 Aandoeningen die de conditie aantasten:
 Atherosclerose: diameter coronairen wordt langzaam kleiner, waardoor
bloedstroom afneemt
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