Please enable JavaScript.
Coggle requires JavaScript to display documents.
RENAL CLEARANCE :smiley: (Clearance of Various Substances (> 0…
RENAL CLEARANCE
:smiley:
Definition
:
Clearance ?
a general concept
describes
the rate
at which substances
removed
from
plasma
That means
whole-body
Total
rate
of
removal
of a substance by
all organs
liver
kidneys
hepatic
renal
Volume of
plasma
COMPLETELY CLEARED
per unit time
C= ( [U]x . V ) / [P]x
Clearance of Various Substances
from
0
to
> 600
mL/min
nearly
0
Albumin
not
filtered
Glucose
filtered
then
completely
reabsorbed
> 0
filtered
partially reabsorbed
Na+, Cl- ,..
highest
both
filtered
and
secreted
morphine, PAH
Clearance Ratios
compare to Inulin
freely filtered
:red_cross:
reabsorbed
secreated
Cx/ Ci
1
freely filtered
actively secreted :red_cross:
>1
freely filtered
organic acids and
bases , K+
actively secreted
<1
not
be freely filtered
albumin
freely filtered
some
of it may be
getting reabsorbed
Glucose
Free Water Clearance