Nephrology-Values Flashcards
1
Q
UA: pH range? usually? specific gravity range? protein nl? range? RBC normal? pathologic? WBC normal? pathologic?
A
4.5-7.9, 5.5-6.5
1.001-1.035
0, 0-4+
0-2, 4
2
Q
UA cont’d:
hyaline casts, granular casts, crystals, renal tubular and/or bladder epithelial cells
A
normal if few in number
3
Q
BUN?
factors increasing? 4
factors decreasing? 2
A
- 8-18
- increased protein intake (increases BUN), state of hydration, GI bleeding, CHF (factors of pre renal azotemia)
- decreased protein intake, chronic liver dz
4
Q
creatinine
factors influencing?
A
0.5-1.4
age, gender, race, meat intake, muscle mass
5
Q
normal GFR
men?
women?
A
85-125
75-115
6
Q
normal urine osmolality?
range
A
NONE
50-1200 (depends on hydration)
7
Q
osmolal gap
should be?
A
measured osmolality - calculated osmolality
less than 10
8
Q
calculated osmolality
A
Na(2) + glucose/20 + BUN/3
