Labs Flashcards
Fishbone Organization
First collumn: Cations - Na and K
Second collumn: Anions - Cl and Bicarb
Third Collumn: Kidneys - BUN and Creatnine
Other: Calcium and Glucose
Sodium
135-145
Water balance
Major extracellular cation
Potassium
3.5-5
Major intracellular cation
Chloride
96-106
Major Extracellular Anion
Bicarb/CO2
22-26
BUN
8-23
Creatnine
0.7-1.4
RBC
5
HGB
15
HCT
45
PLT
150K-400K
Ph
7.35-7.45
PCO2
35-45
HCO3
22-26
PO2
80-100
Change in Ph per CO2
CO2 up by 10 = Ph down by 0.08
Anion Gap
Normal 12 +/- 4
Na - (Cl - HCO3)
High is acidosis
Base Excess
-2 to +2
Critical values for intubation
Ph <7.2, CO2 >55, PaO2 <60
Role of 2-3DPG
Pries oxygen off the hemoglobin
Resuscitation Triggers
MAP <65
HGB <11
INR >1.5
Base Excess
INR
Normal >1.1
Therapeutic 2-3
Total Calcium
8.5-10.2
Ionized Calcium
8.8-10.3
Change in Bicarb per Ph
0.15 Ph per 10 HCO3 same direction