Formeln: Niere Flashcards by Welf-Tomke Hecker | Brainscape

Q

Verdünnungsfaktor

A

f= Gesamtvolumen

/

Ausgangsvolumen

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Q

Kreatinin-Konzentration verdünnter Urinproben

A

U_Krea = U_Kreaverd ∗ f

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Q

Kreatinin-Clearance
Glomeruläre Filtrationsrate!

A

GFR = C_Krea= V̇ ∗ [Krea]_Urin

/

[Krea]_Plasma

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Q

K⁺-Ausscheidungsrate

A

K⁺_Auss= [K^₊]_Urin ∗ V̇

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Q

K⁺-Filtrationsrate

A

K⁺_Filtr = [K⁺]_Plasma ∗ GFR

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Q

Fraktionelle K⁺-Ausscheidung

A

frK⁺_Auss= K⁺ _Auss
/

K⁺_Filtr

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Q

Clearance eines Stoffes X?

A

C_{<span>X</span>} = V̇ ∗ [X]_Urin

_/

[X]_Plasma

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Q

Filtrationsfraktion

A

FF= GFR/RPF= [C]_Inulin/ [C]_PAH

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Q

Osmotische
Ausscheidungsrate

A

osm AR = Urinosmol * V̇

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Q

Renaler Blutfluss

A

RBF = RPF / (1-Hkt)

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Q

Renaler Plasmafluss

A

RPF = V * (( [C]_Urin- [C]_ven ) / ([C]_art- [C]_ven))

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