Fluid and blood therapy- Foundations quiz 9? Flashcards
How much water (in L and %) in the body?
42L (24,10,4)
60% (40/20)
Primary cation and anion inside the cell
Cat- Potassium
Anion- Phosphate
Magnesium
Which pump maintains high K in ICF?
Na K ATPase
Main cation and anion outside of cell
Cation-Na
Anion- Chloride
Net driving pressure formula
CIF-CIF
Capillary is always first
hydro-hydro, oncotic-oncotic
(Capillary hydrostatic-IF hydrostatic)-(Cap oncotic-IF oncotic)
ICF vs ECF Na content
25
135-145
What is the BBB made of?
Tight junctions of endothelial cells and a basement membrane
Tx of hyponatremia
3%
Osmotic/ loop diuretics
1meq/l per hour!
Or else myelinolysos
Most common cause of hypernatremia
Inadequate intake of water
Excessive loss
DI
Tx for hypernatremia
Replacing water deficit
[(Na/140)-1] x TBW
ICF vs ECF K content
ICF- 150
ECF- 3.5-5.3
Max K to have procedure
5.5
What to use in hypermagnesemia urgent situation (HB, respiratory depression, brady)
Calcium
Main cause of hypercalcemia
Hyperparaythyroidism
What is insensible loss? how much to replace for it?
Urine, feces, sweat, respiratory tract
2ml/kg/hr
