Math Concepts Flashcards
1
Q
Ideal Body Weight
A
Male: W= 50+ (H-60) x 2.3
Female: W= 45+(H-60) x 2.3
H=Inches W=Kg
2
Q
Body Surface Area
A
BSA= (H^.725) x (W^.425) x 0.007184
H=cm, W=kg, BSA=m^2
3
Q
Body Mass Index
A
BMI= W/H^2
W=Kg, H=m
4
Q
Endotracheal Tube Volume
A
V= 3.14 x r^2 x H
5
Q
Ohms law
A
V=IR
6
Q
Power
A
P=IV
P=Watts
7
Q
Oxygen Consumption
A
V02= W^.75 x 10
8
Q
CO2 Production
A
VCO2= VO2 x 0.8
9
Q
Nasal Canula Supplemental Oxygen
A
For every additional liter of oxygen supplied w/ nasal canula, add 3% to the FiO2
10
Q
Oxygen Content
A
Co2= (PaO2 x 0.0031) + (1.36x [Hb] x SaO2)
11
Q
Functional Residual Capacity
A
Tidal Volume - Anatomical Dead Space
12
Q
Alveolar Ventilation
A
Va= (Vt-Vdanat) x Freq
13
Q
Anatomical Dead Space
A
1 ml/lb or 2.2 ml/kg
14
Q
Compliance
A
C= V/P
15
Q
Resistance
A
P/Q
