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Samenvatting Acute Geriatrie: CVA graduaat VPK Vives/Rhizo

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in dit document wordt het onderdeel CVA besproken

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Uploaded on
May 31, 2022
Number of pages
4
Written in
2021/2022
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CVA

- CVA?
o Beroerte, attaque, stroke, herseninfarct
o Verwijst naar stoornis in de doorbloeding van de hersenen
o Ischemie = belemmering van bloedtoevoer  o² toevoer onvoldoende
o Beschadiging hersenweefsel  uitvalsverschijnselen

- Soorten CVA
o TIA (transient ishemic attack)
 Voorbode op CVA
 Voorbijgaande stoornis in bloedvoorziening van hersenen <24u
 Uitvalsverschijnselen verdwijnen na korte tijd
o Rind
 Onvoldoende doorbloeding (ischemie)
 Symp. Volledig verdwenen na 1 week

o Progressieve stroke
 Meestal door bloeding
 Bloed verspreidt over hersenen  symp. Nemen geleidelijk toe

o Completed stroke
 Meestal door stenose (vernauwing)
 Toestand gaat verder achteruit
 Geleidelijk maat nooit volledig herstel

- Oorzaken
o Ischemisch
 Bloedstolsel (trombus) vb. afkomstig van hart door hartoperatie/
hartritmestoornissen komt los  komt in bloedbaan naar de hersenen 
loopt vast
 Arteriosclerose: thv arterie zet zich een vetachtig materiaal vast  bloedvat
wordt vernauwd (stenose).
 Bij arteriosclerose van de halsslagaders  stukjes vetmateriaal
loskomen  vastlopen  losgelatendeel = embool

o Hemorragisch: hersenbloeding
 Ruptuur van de vaatwand = aneurysma
 Bloeding in of rond de hersenen
 Druk op hersenen neemt toe
 Plots gebeuren
 VB. door sportbeoefening of hypertensie

- Risicofactoren
o Voeding  met veel cholesterol: als vb fastfood
o Weinig lichaamsbeweging
o Roken
o Hypertensie (silent killer)
 Hoge druk op bloedvaten
 Elasticiteit blv verminderd
 Binnenwand minder glad
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