Summary fluid electrolyte nursing

, Kidneys
-




*
role :
filtration
↳ 1 extracellular twin
to regulate concent .
solutes
remove metabolic waste
*
functions :




eliminate met waste
-




.




Bp regulation
.




'




electrolyte production H =
anemic )
.


Vit D activation →
pulls cat from intestinal tract
Acid / base balance
•




*
GFR
-

rate @ union filtrate/ Wine is formed

Avtoreg Maintains blood how/ perfusion @ 60-100 mmHg or MAP 265
-

.




-




dependent on blood how
pressure in Bowman, capsule forming titrate tunnel
-




plasma oncotk pressure / helps maintain vascular blood how )
-




Autoregulation =




•

afferent arterioles ajust diameter to maintain GFR
→
hypotension =
vasodilator to in perfusion
→
hypertension
:
vasoconstriction perfusion
-


normal GFR =

125m11min
d
GFR 2
100m11 min kidney function
- =




l
GFR 15m11 MM Kidney failure
-
=




stage 5 kidney disease dialysis
=
→

, Fluid Balance -




* Isotonic doesnt leave its space ; helps + Bp in intravascular space
:




* hypertonic :
> concent .


than plasma
Avid fait &
/ :/
Hao ÷
=
lnterstitwm → intravascular +
particles in intravascular space
lntorstitlvm trying to dilute It out ]
IT
IV
Cvp / Wedge T =




R L

preload 9th Avian vascular
space

*
hypotonic :
< concent than plasma
.




AtÑds&hypertomisowt
fluid =
Intravascular → lnturstltium
Is
&
"" up / wedge =


N
alt Hua leaving vessels =

pulls Hao into
& →
intorstitium vessel



colloids -




do not cross cap memb Under normal circumstances
.
.




high MOI .




Weight subset .




pulls fluid into intravascular space ; ABP
-




PRBC may cause trash Pum edema
'




MPI wedge T ]
6 may order furosemide in between doses to avoid tpf

Free H2o solutions does NIT in intravascular
stay space
-




[ not given to MBP ]
→
do NIT use when intravascular replacement is required
* will lower plasma osmolality ex:( can hyper tx nat ) to 4 Bp
. .




* allows mvmt to all body compartments
of Hao