AKI and K+ handling Flashcards
1
Q
What does FENA< 1% suggest
A
renal hypo-perfusion
2
Q
What does FENA>2% suggest
A
acute tubular necrosis
3
Q
FENa is less than 1%, what are the possible options
A
pre-renal
GN
Vascular D/s
4
Q
What will you see in glomerular nephritits
A
RBC casts
hematuria
proteinuria
5
Q
What causes K+ to go into cells
A
Aldosterone
Epinephrine (B2)
Insulin
6
Q
What absorbes potassium in the collecting duct
A
a-intercalated cells exchange it for H+
7
Q
A person with a high potassium diet would have what
A
high aldosterone levels
8
Q
hypokalemia caused by
A
metabolic alkalosis
9
Q
hyperkalemia caused by
A
metabolic acidosis
10
Q
What enzyme protects mineralcorticoid receptors from cortisol
A
11-B hydroxylase
11
Q
Treat hyperkalemia
A
Glucose + insulin
Sodium bicarb
IV calcium gluconate
B2 agonist
