Mindray BeneVision N1 User Manual

BeneVision N1 Patient Monitor Operator’s Manual 17 - 7
17.7 Renal Calculations
The monitor provides the renal calculation function and can save the results of up to 10 calculations, which are
displayed in groups.
17.7.1 Performing Renal Calculations
To perform renal calculations, follow this procedure:
1. Access renal calculation by either of the following ways:
◆ Select the Calculations quick key → select the Renal tab.
◆ Select the Main Menu quick key → from the Calculations column select Renal.
2. Enter the known values.
3. Select
Calculate.
A calculated value greater than the normal upper limit is indicated by an up arrow “
↑”. A calculated value
lower than the normal lower limit is indicated by a down arrow “
↓”.
You can select
Range to show the normal range of each parameter.
17.7.2 Calculated Parameters and Formulas for Renal Calculations
volume of physiological
dead space
Vd
ml
Vd (ml) = TV (ml) × [1 - PeCO
2
(mmHg)/PaCO
2
(mmHg)]
physiologic dead space in
percent of tidal volume
Vd/Vt % Vd/Vt (%) = 100 × Vd (ml)/TV (ml)
alveolar volume VA L/min VA (L/min) =[TV (ml) - Vd (ml)] × RR (rpm)/
1000
Calculated Parameters Label Unit Formula
Input Parameter Label Unit
urine potassium URK mmol/L
urinary sodium URNa mmol/L
urine Urine ml/24 hrs
plasm osmolality Posm mOsm/kgH
2
O
urine osmolality Uosm mOsm/kgH
2
O
serum sodium SerNa mmol/L
creatinine Cr mol/L
urine creatinine UCr mol/L
blood urea nitrogen BUN mmol/L
height Height cm
weight Weight kg

Mindray BeneVision N1 Specifications

General

Brand	Mindray
Model	BeneVision N1
Category	Medical Equipment
Language	English