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What is the formula for duration of flow?
tank psi x tank factor
LPM
What is the Factor for an
E tank
H tank
E tank = 0.28
H tank = 3.14
Formula for Airway Resistance (Raw)
Peak pressure - Plateau pressure
Static Compliance
Exhaled Volume
Plateau - PEEP
Air Entrainment Ratio / Factor
FIO2
24 - 28 - 32- 35 - 36 - 40- 60- 70- 100
24 = 25:1 = 26
28 = 10:1 = 11
32 = 6:1 = 7
35 = 4.6:1 = 5.6
36 = 3:1 = 4
40 = 1:1 = 2
60 = 0.6:1 = 1.6
100 = 0:1 = 1
LABORATORY TESTING
Normal Value for CBC
RBC
Hb
Hct
WBC
RBC =4-6 mill/cu
Hb = 12-16 gm/100ml
Hct = 40-50%
WBC = 5,000-10000/cu
Normal Value for Electrolytes
Na+
K+
CL-
Na
+
135-145 mEq/L
K
+
3.5-4.5 mEq/L
CL
-
80-100 mEq/L
EKG Values
HR
Bradycardia
Tachycardia
HR = 60-100 bpm
Brady = < 60 bpm
Tachy = > 100 bpm
Infant normal ranges
Pulse
RR
BP
Birth weight
Apgar score
Pulse
110-160 bpm
RR
30-60 breaths/min
BP
60/40 mmHg
Birth weight
>3000 gm
Apgar score =
done at 1min and 5 min
7-10 = normal
4-6 = poor
0-3 = Emergency
Normal ranges for arterial Blood gas Calculations
vd/vt
CaO2
CvO2
C(a-v)O2
Qs/Qt
vd/vt =
20-40% / 40-60% on vented pts
CaO2 =
17-20 vol%
CvO2 =
12-16 vol%
C(a-v)O2 =
4-5 vol%
Qs/Qt=
5 is normal /
10-20 % tolerable
20-30 % life threatning
Blood Gas Parameters
PaCO2
PO2
pH
SaO2
HCO3
-
PaCO2 =
35-45 mmHg
PO2 =
80-100 mmHg
pH =
7.35-7.45
SaO2 =
95-100%
HCO3- =
22-16 mEq/L
HEMODYNAMIC
BLOOD PRESSURE
BLOOD PRESSURE = 120/80 mmHg
Mean Arterial Pressure (MAP)
MAP 93-96 mmHg
CVP - Central Venous Pressure
CVP = 2-6 mmHg (4-12 cmH2O)
PAP Pulmonary arterial pressure
PAP 25/8 mmHg ( mean 14)
PCWP - Pulmonary wedge pressure
PCWP = 4-12 mmHg
CO- Cardia Output
CO = 4-8 L/min
CI- Cardiac index
CI = 2.5-4.0 L/min
VO2- ejection fraction
VO2 = 250 ml/min
SVR - systemic vascular resistance
SVR = 20 mmHg/L/min or 1600 dynes/sec/cm
5-
PVR - Pulmonary Vascular resistance
PVR = 2.5 mmHg /L/min
or
200 dynes/ sec/ cm
5-
PULMONARY VASCULAR RESISTANCE
PVR = (MPAP-PWP)/CO
PAO2 =
PAO2 =
(Pb -P
H2O
)FIO2 - (PaCO2 x1.25)
A-aDO2
PAO2- PaO2
CaO2
CaO2 =O2 in Rbc (Hb x 1.34xSaO2) + O2 in plasma( PaO2 x 0.003)
MAP
MAP
(2xdiatolic) + systolic / 3
Fick equation ( CArdiac Output)/ Qt
QT = VO2/ C(a-v)O2 x10
QT = HR x SV(stroke volume)
Cardia Index
CI QT(cardiac output) / BSA Body surface area
Pulse pressure
Systolic - Diatolic pressures
Stroke Volume
CO / Heart rate
EJECTION FRACTION
SV / End diastolic volume
SVR- Systemic vascular resistance
(MAP-CVP) / CO
CvO2
CvO2 =O2 in Rbc (Hb x 1.34xSvO2) + O2 in plasma( PvO2 x 0.003)
C(a-v)O2
CaO2- CvO2
Desired FIO2
FIO2 present x Desired FIO2 / current PaO2
Desired Vt
Desired VE
Desired RR
Desired Vt= (actual Vt x PaCo2)=desired Vt PaCO2)
Desired RR = (actual RR x PaCO2) = (Desired RR x PaCO2)
Desired VE (actual VE x PaCO2) = ((desired VE x PaCO2)
VD/VT
PaCO2-PECO2 / PaCO2 x 100
SaO2
SaO2= PaO2 + 30
Qs/Qt
A-aDo2 x 0.003
A-aDo2 x 0.003+C(a-v)O2
Amount of drug in milligram (mg)
Drug % x 10 ml = # of mg of drug
Pediatric drug dosage
(clark's rule)
Clark' srule ESD = wt x normal adult dosage / 150
Alveolar ventilation
(Vt - V
D
) xF
use the approximaye 1ml / lb of IBW for V
D
Dynamic compliance
Exhaled Volume
PIP - PEEP
Author
mvblanc
ID
74706
Card Set
Normal Values + formulas
Description
Normal Values- Formulas
Updated
2011-04-07T14:02:04Z
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