Summary
Samenvatting Bodybox
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Samenvatting over de bodybox
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juliewei
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LichaamsplethysmografieLichaamsplethysmografie staat voor lichaamsvolumeveranderingregisratie en wordt ook wel bodybox
genoemd. De bodybox wordt in een longfunctieonderzoek gebruikt om onder meer het zogenaamde
intrathoracaal gasvolume (TGV) te meten. In deze box past 830 liter, dit is van belang om te weten voor de
berekingen.
Tegenwoordig wordt de lichaamsplethysmograaf droog gemeten.
Tegenwoordig:
- Algemene gaswet: p*V=n*R*T
- De druk p in N*m^-2
- Het volume V in m^3
- Het aantal mol gas n in #
- De gasconstante R met 8,314472 J*K^-1mol^-1
- De temperatuur T in Kelvin
- Drukconstante en volumeconstante lichaamsplethysmograaf
- T constant (equilibrium)
- 830L
- Druksensoren
- p*V = constant (ideaal)
- 4 factoren met 1 onbekende (V2)
- p 1 = p lichaamsplethysmograaf
- V1 = V lichaamsplethysmograaf=830L
- P 2 = p lichaam (zijnde monddruk)
- V2 = V lichaam
- P1*V1 = P2 * V2
- P2 m.b.v. monddrukregistratie
- V2 m.b.v. calculatie
- Wiskundig algoritme i.c.m. spirometrisch manoeuvre
RV = FRC – ERV
TLC = RV + VC
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