Equations and Labs Flashcards
1
Q
Arterial pH
A
7.35-7.45
2
Q
Venous pH
A
7.30-7.40
3
Q
Arterial pCO2
A
35-45 mmHg
4
Q
Venous pCO2
A
40-50 mmHg
5
Q
Arterial pO2
A
80-100 mmHg
6
Q
Venous pO2
A
35-40 mmHg
7
Q
Arterial Bicarb
A
22-26 mmol/L
8
Q
Arterial Base Excess
A
-2 to +2 mEq/L
9
Q
SO2 Arterial
A
93-97%
10
Q
SO2 Venous
A
70-75%
11
Q
Total Calcium
A
2.18-2.58 mmol/L
12
Q
Ionized Calcium
A
1.05-1.30 mmol/L
13
Q
Cholesterol
A
Less than 5.2 mmol/L
14
Q
LDL
A
Less than 3.37 mmol/L
15
Q
HDL
A
Greater than 0.9 mmol/L
16
Q
Female creatinine
A
50-90 micromol/L
17
Q
Male creatinine
A
70-120 micromol/L
18
Q
Fasting glucose
A
3.3-5.8 mmol/L
19
Q
Magnesium
A
0.75-0.95 mmol/L
20
Q
Osmolarity
A
280-300 mmol/kg
21
Q
Potassium
A
3.5-5.0 mmol/L
22
Q
Sodium
A
135-145 mmol/L
23
Q
Blood Urea Nitrogen
A
2.5-8.0 mmol/L
24
Q
Lactate 0.5-2.2
A
mmol/L
25
ALT
3-36 U/L
26
AST
0-35 U/L
27
Troponin
Less than 0.01 microgram/L
28
INR
0.9-1.2
29
Partial thromboplastin time
28-38 seconds
30
prothrombin time
10-13 seconds
31
Fibrinogen
1.8-4.0 grams/L
32
Male Hemoglobin
140-174 grams/L
33
Male Hematocrit
0.42-0.52
34
Male RBC Count
4.4-5.7 x 10^12/L
35
Male WBC Count
4-10 x10^12 /L
36
Male Platelet Count
130-400 x10^9 /L
37
Female Hemoglobin
123-157 grams/L
38
Female Hematocrit
0.37-0.46
39
Female RBC Count
4.0-5.2 x10^12/L
40
Female WBC Count
4-10 x 10^12/L
41
Female Platelet Count
130-400 x 10^9/L
42
Systolic Arterial Pressure
100-140 mmHg
43
Diastolic Arterial Pressure
60-90 mmHg
44
Mean Arterial Pressure
65-100 mmHg
45
Pulmonary Artery Systolic Pressure
15-30 mmHg
46
Pulmonary Artery Diastolic Pressure
4-12 mmHg
47
Mean Pulmonary Artery Pressure
9-16 mmHg
48
Pulmonary Capillary Wedge Pressure
2-12 mmHg
49
Central Venous Pressure
0-8 mmHg
50
Systemic Vascular Resistance
900-1400 dynes*second*cm^-5
51
Pulmonary Vascular Resistance
150-250 dynes*second*cm^-5
52
Normal Stroke Volume
60-130 mL/beat
53
Heart Rate
60-100 beats/minute
54
Cardiac Output or Q
4-8 LPM
55
Cardiac Index
2.5-4 LPM/m^2
56
Systemic Oxygen Consumption (VO2)
200-300 mL/min
57
Cardiac Output equation
CO= HR x SV
58
MAP Equation
DBP+ 1/3 (pulse pressure)
59
Systemic Vascular Resistance Equation
[(MAP-CVP)/CO] x80
60
Pulmonary Vascular Resistance Equation
[(MPAP-PCWP)/CO] x80
61
VO2 (Modified Fick Equation)
(CaO2-CvO2) xCO
62
Oxygen Delivery Equation
CaO2 x CO
63
Arterial or Venous Oxygen Content Equation
Hgb (in g/dL) x 1.34 x SaO2+ PaO2x0.003= mL O2/dL
64
Adult Male Blood Volume Factor
75 mL/kg
65
Adult Female Blood Volume Factor
70 mL/kg
66
Paediatric Blood Volume factor
80 mL/kg
67
Hematocrit calculation
RBC/TBV
68
3/16 Tubing constant
5.4 mL/foot
69
1/4" tubing constant
9.65 mL/foot
70
3/8" tubing constant
21.71 mL/foot
71
1/2" tubing constant
38.61 mL/foot
72
Henderson Haselbalch Equation of Blood
pH= 6.1 log {[Bicarb]/(PCO2x 0.03)}
73
Boyle's Gas Law
Volume is inversely proportional to pressure
74
Charles's Gas Law
Volume is proportional to temperature
75
Gay-Lussac Gas Law
Pressure is proportional to Temperature
76
Ideal Gas Law
PV=nRT, n=8.314, Temp is in Kelvin (add 273)
77
Graham's Law
Diffusion of gasses proportional to square root of Molecular Masses
78
Diffusability of Carbon dioxide to oxygen
CO2 is 19 x O2 (Graham's Law)
79
Fick's Law
Diffusion across a membrane is proportional to surface area, pressure difference and diffusion coefficient, inversely proportional to thickness of membrane.
Diffusion coefficient is the square of the molecular weight.
80
Co2 vs oxygen solubility
CO2 is 24x more soluble than O2 (which is 0.003)
81
Flow of fluid vs velocity equation
Q=velocity/area= V/pi r^2
82
Reynold's Equation
Re= 2(V)(radius)(density)/viscosity, if Re>2000 then flow is considered turbulent
83
Bernoulli's Equation
P+ 1/2(density)(velocity)^2+ (density)(G)(height)=constant
84
Poiseuille's Equation
Q=pi(radius)^4(pressure)/8(density)(length)
85
Laplace's Law
wall tension=(pressure)(radius)/2(wall thickness)
86
Estimated bicarb dose
(0.3)(weight)(base deficit)= mmol to add
