OPTi CCA-TS2, Руководство оператора, Страница: 280 / 299

A-8 Operator’s Manual – OPTI CCA-TS2
APPENDIX A - TECHNICAL SPECIFICATIONS
Conversion Table for Units
5
c tO
2
, O
2
c t, tCO
2
1 vol% = 1 ml/dl = 0.4464 mmol/l
tHb 1 g/dl = 10 g/l = 0.6206 mmol/l
barometric pressure, P CO
2
, P O
2
1 mmHg = 1.3333 mbar = 0.1333 kPa
ionized Calcium (Ca
++
) 1 mmol/L = 4.008 mg/dL = 2mEq/L
glucose 1 mmol/L = 18.02 mg/dL
1 mg/dL = 0.0555 mmol/L
BUN(urea) 1 mmol/L urea = 2.801 mg/dL BUN
Lactate 1 mmol/L = 9.01 mg/dL
1 mg/dL = 0.111 mmol/L
Equations
6
cH
+
Concentration (activity) of hydrogen ions in plasma.
c H
pH + −
= 10
9 ( )
[nmol/L]
6
st.pH
Standard pH of the blood is defined as the pH value of a blood sample which has been
equilibrated at 37 ºC with a gas mixture having a P CO
2
= 40 mmHg.
st.pH
tHb BE CO pH
2
=
− ⋅ + ⋅ ⋅ ⋅ ⋅ + ( . . . ) ( . ) 08262 0 01296 0 006942 0 025 lg P
[pH-unit]
6
HCO
3
-
Bicarbonate concentration in plasma.
HCO CO
3
pH − − = ⋅ ⋅ 0 0307 10
2
6 105 . ( . )
P
[mmol/L]
1
5
Burtis AB, Ashwood ER, “Tietz Textbook of Clinical Chemistry” 2
nd
Ed. (Philadelphia, W.B. Saunders 1994),
p. 46.
6
Marsoner HJ, “Quantities and Algorithms Related to Blood Gas and Acid Base Analysis”, AVL Medizintechnik Graz,
1995.