critical care Flashcards
(69 cards)
what is the typical goal correction for Na
4-6meq/L in 24 hrs
how many meq should you not go over in 24 hrs
12 meq
what can happen if going over 12 meq
ODS
hyponatremia can be categorized in to what
hyper (fluid overload) and hypo (diuretics, vomiting) volemic
what is the tx hypervol
diuresis w fluid restriction
arginine vaspressin
what is the arginine vaso
tolvaptan
limit to 30 days bc of hepato
ONLy HOSP ADMIN
what is the tx for hypovol
3% NaCl IV
a drop of 1 meq of serum K equals to a deficit of how many meq in body
100-400
potassium is usually admined via what line
peripheral
you can do a central line for K when?
if its more aggreessive (rate of >10)
what is the max rate of K with peri line
<10 meq/hr w max concen of 100meq/100mL
what should you replace first if both mag and K is low
Mag
hypomag occurs at what level
<1.3
if mag is <1, w sx, what do you replace with
mag sulfate
if mag is >1 but <1.5 then what can you replace w
oral mag oxide
how long should you continue mag oxide for?
5 days
hypophos occurs at what level
<1
what should you replace hypophos with
IV phos
how long does phos take to replace
1 week
what are the ICU meds that target SNS
vasopressors (alpha receptors)
vasodilators
vasopressors do what to BP
increase
what agents are vasopressors
dopamine
epi
norepi
vasopressin
dopamine is dose dependent, what is the dosing at different receptors
D1: 1-4 (renal)
B1: 5-10 (inc contract)
A1: 10-20
what receptors does epi target
alpha 1
beta 1 and 2