Super Secret Special Deck U4 Flashcards
Septic saline treatment
isotonic
Pt with hypovolemia present with __ BP
low
Elevated levels of what electrolyte are only seen in renal failure?
Mag
What % of water should be corrected I a 24 hr period?
no more than 50%
What is the free water deficit formula?
TBW x [(Na/140)-1]
IV Ca should be given under which circumstance?
Elevated K
Elevated T waves
Hyperkalemia
Flat T waves
Hypokalemia
Most common cause of hypernatremia
volume depletion (hypovolemia)
Low levels of this electrolyte appear when in refractory hypokalemia
Mag (cofactor for pump)
When do you use 3% Na?
symptomatic hyponatremia
Which type of hyponatremia must be corrected slowly?
chronic
Most common cause of hyponatremia
volume overload
Low levels of which electrolyte causes diaphragm contractility issues in alcoholics?
Phos
Alkalosis can cause this change in serum phosphorus concentrations
Decrease
Diabetes insipidus (DI) can cause this change in serum sodium concentrations
Increase