Calculations

Question 1

Anion Gap calculation

Answer 1

[Na+K] - [Cl +HCO3]

Question 2

HA1C (mmol/dl) Calculation

Answer 2

(HA1C/Hbg) x1000

Question 3

HA1C (%) calculation

Answer 3

(HA1C/Hbg)x91.5+2.15

Question 4

LDL calculation

Answer 4

(Tot. Cholesterol)-HDL-(Triglycerides/5)

Question 5

Calculated Osmo

Answer 5

2(Na)+(Glucose/20)+(BUN/3)

Question 6

Osmo Gap calculation

Answer 6

Measured Osmo-Calculated osmo= within 5-10 units of each other

Question 7

CSF Albumin index calculation

Answer 7

CSF Albumin/Serum Albumin Should be <9 (indicates intact BBB)

Question 8

CSF IgG Index

Answer 8

(CSF IgG/Serum IgG)/(CSF albumin/Serum albumin)

Question 9

Mean blood Glucose value calculation

Answer 9

28.7(HA1C)-46.7=avg glucose