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HC Kortademigheid aanvullende diagnostiek (long)
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HC Kortademigheid aanvullende diagnostiek (long)
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HC Dyspneu de rol van aanvullende diagnostiekCasus mevrouw A
Omschrijvingen van dyspneu
- Lucht tekort
- Honger naar lucht
- Snakken naar adem
- Gevoel niet diep in of uit te kunnen ademen
- Angst om geen lucht te krijgen
- Zwaar ademen
- Gevoel dieper of sneller te ademen
- Gevoel van uitputting
- Gevoelt dat ademen niet vanzelf gaat
- Gevoel dat ademhaling gaat stoppen
- Strak gevoel op de borst
Dyspneu = zuurstofgebrek?
Nee, niet 1 op 1 hetzelfde. Denk aan mensen op grote hoogte: geen dyspneu, wel euforie en
bewusteloosheid op hoogtes waar geen zuurstof is (8600 meter hoogte).
, Arbeid = kracht x verplaatsing
Of = druk x volumeverandering
Meer motorische actiepotentialen nodig
om te ademen —> meer gevoel van hoge
ademarbeid.
Dit staat los van zuurstofgebrek.
4 soorten dyspneu
1. Luchthonger
- Hypoxie, hypercapnie, metabole acidose —> stimulatie chemoreceptoren, geremd door
longin atiere ex
2. Gevoel van ademarbeid
- Meer ventilatie, of meer kracht nodig —> meer motorische actiepotentialen naar ademspieren
3. Strak gevoel op de borst
- Vooral bij bronchospasme
4. Stuwing in longcapillairen
- Rek van juxtacapillaire receptoren —> vooral tachypneu
fl fl
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