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Samenvatting neurologie

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Samenvatting over het onderdeel 'Neurologie'. Les gegeven door B.Vlaeminck. Deeltje 'Multiple Sclerose' staat er niet in want dit was geen leerstof

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NEUROLOGIE
1. De ziekte van Parkinson
1.1. Inleiding
- Chronisch progressieve ziekte => progressief verlies van zelfstandigheid => naast
fysieke problemen ook verschillende sociale en psychische problemen
- Vernoemd naar de Engelse arts James Parkinson (1755-1824)
- Begin: weinig klachten, vergevorderd stadium: ernstige functiebeperkingen door
tremoren, loopstoornissen en slikstoornissen
- Voorbeelden naast de ziekte: Alzheimer, ALS, Chorea van Huntington
- De zorg: effectief symptoommanagement en het ondersteunen van
onafhankelijkheid
- Taak VPK: alert en gevoelig voor quality-of-life

1.2 Etiologie
- Oorzaak onbekend
- Combinatie van erfelijkheid en omgevingsfactoren

PATHOFYSIOLOGIE
- Progressieve dysfunctie of afsterven van zenuwcellen van de dopaminerge neuronen
 zenuwcellen van de substantia nigra
- Onevenwicht tussen dopamine en acethylcholine
- Substantia nigra behoort tot basale ganglia die de bewegingen controleren:
 Verrichten van automatische bewegingen
 Aansturen spontane bewegingen
 Expressie van emotie
 Integratie houding en motoriek

- Tekort aan neurotransmitter dopamine (prikkeloverdracht)
GEZOND: evenwicht tss neurotransmitter dopamine en acetylcholine
PAKINSON: evenwicht tss neurotransmitters verstoord

1.3 Symptomen
 Weinig symptomen vóór vernietiging 70% van de betreffende neuronen
=> Sluipend begin
 Zwakke tremor als eerste teken
 Lange préklinische fase met vermoeidheid, lusteloosheid, concentratiestoornissen,
‘lam’ gevoel in extremiteiten, pijn.
 Tekort aan dopamine => doelbewust bewegen ipv automatisch
 Symptomen beginnen aan één zijde van het lichaam
4 hoofd/ primaire symptomen:
Tremor
Rigiditeit
Akinesie/bradykinesie
Posturale instabiliteit

HOOFDSYMPTOMEN

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Uploaded on
January 3, 2023
Number of pages
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Written in
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