12 - Clearance / GFR Flashcards
1
Q
how is GFR indexed?
A
body surface area
2
Q
what does clearance represent?
A
vol of fluid cleared completely of a certain substance per unit time
3
Q
nl intraglomerular pressure
A
45 mmHg
4
Q
clearance of what marker approximates renal plasma flow?
A
PAH
5
Q
at what range of GFRs is Creatinine a decent marker for GFR?
A
<80 or so
6
Q
2 non steady states methods for estimating GFR
A
cold and radiolabeled tracers