Non protein Nitrogen Flashcards
1
Q
Non protein nitrogens
A
Also refer as azotemia Urea Creatinine Uric Acid Ammonia
2
Q
Best lab evaluation when renal impairment is suspected
A
GFR
Glomerular filtration rate
3
Q
Most sensitive marke to evaluate GFTR
A
Creatine clearance
4
Q
Creatinine clearance equation
A
Urine creat/Plasma creat * Vo.24h/1140
5
Q
How to correct creatinine clearance for body surface area
A
Creatinine clearance *1.73/area
6
Q
When does BUN (Blood urea nitrogen) increases
A
in impaired renal function or high protein diet
7
Q
BUN/creatinine ratio
A
10:1-20:1
8
Q
Uric acid
A
end product of purine metabolism