Calculations Flashcards
1
Q
Gold mark
A
Glycols (ethylene in propylene) Oxo proline (acetaminophen) Lactic acid in sepsis D lactate in bariatrics Methanol Aspirin Renal failure Ketoacidosis and starvation diabetes or alcohol ingestion
2
Q
Anion gap
A
Cations- anion
Sodium and potassium minus chloride and bicarbonate
3
Q
Sodium correction with hyperglycemia
A
A=Na
B= (Glucose-100)/100
C=1.6
A + B•C
4
Q
Sodium deficit
A
A= TBW B= Na - Na (desired and serum)
A•B
5
Q
TBW (water)
A
A= weight B= .6 (men) C= .5 (women)
A • (men or women)
6
Q
Creatine clearance/gfr
A
A- (140-age) x (weight)
B- Divided by (72 x serum Cr)
C- All times .85 in women
A•B•C
7
Q
Bun Creatine ratio
A
Pre renal is increasing BUN levels
Renal is leveling bun Creatine
Post renal is bun first then Creatine after onset of renal damage secondary
Normal is less than 15:1 if labs are normal
8
Q
Fractional excretion of sodium
A
(Plasma x urine)(plasma x urine)
Creatine then sodium
Sodium then creative
PeeeeU; C-span is serious crap
