RENAL LP: Transportul tubular maximal al glucozei Flashcards

(6 cards)

1
Q

ce evalueaza aceasta proba?

A

capacitatea maxima de reabsorbtie la nivelul tubului contort proximal

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2
Q

de ce folosim glucoza?

A

glucoza este filtrata si reabsorbita in totalitate din urina primara la nivelul t.c proximal
pana la valori de 180 ml/dl

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3
Q

tehnica de lucru

A

-determinam nivelul bazal al glicemiei
- injectam intravenos glucoza (100-120g gluc + 300 ml H2O2)- in 10 min
- recoltam 5 probe de sange (din 10 in 10 min)
la mijlocul intervalului de recoltare a probelor de sange se recolteaza urina- 4 probe
se dozeaza glucoza in urina si sange si se inscrie in sist de coordonate

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4
Q

pragul minim de aparitie al glucozei in urina

A

1,70-1,80 g%0

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5
Q

pragul maxim de saturatie

A

3,30-4 g %0

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6
Q

pragul mediu de saturatie

A

2-3g %0

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