Mindray BeneVision N Series User Manual

25 - 8 BeneVision N Series Patient Monitor Operator’s Manual
25.9.2 Safety Information When RM Module in Use with CO
2
or AG Module
WARNING
• Measurement using RM module and CO2 or AG Module is for intubated patients only.
CAUTION
• When using the RM module together with the CO2 or AG Module, the gas sampling positions should
be between the patient and the Y-piece, adjacent to the Y-piece end. The two sampling positions
should be close to each other. Otherwise, measurement error can result.
• Strong scavenging suction may change the operating pressure of the modules and cause inaccurate
readings or excessive sample gas flow.
• When monitoring with the RM module and the CO2 or AG Module, keep the patient still. Do not
disturb the patient or adjust the ventilation device.
• RQ has no reference significance if beyond the range of 0.6 and 1.3. Verify that the
measurement is correct and the patient is stable.
25.9.3 Measurement Limitations When RM Module in Use with CO
2
or AG Module
When the RM module is used together with the CO
2
module or AG module, measurements have reference
significance only when the patient is in stable ventilation status. Stable ventilation status refers to the following
situations:
■ Patient is at rest for at least 30 minutes.
■ Mechanical ventilation parameters (RR, TV, and etc) remain unchanged.
■ No operations that may affect the patient’s gas exchange or metabolism.
The measurement may be inaccurate in the following situations:
■ The airway of sampling lines are abnormal or sampling lines leak or are blocked.
FeCO
2
Mixed Expired CO
2
Concentration % RM + mainstream CO
2
SlopeCO
2
Slope of the alveolar plateau %/L
Vtalv Alveolar Tidal Volume ml
MValv Alveolar Minute Volume L/min
Vdaw Airway Deadspace ml
Vdaw/Vt Airway deadspace to tidal volume
ratio
%
Vdalv Alveolar Deadspace ml
Vdalv/Vt Alveolar deadspace to tidal volume
ratio
%
Vdphy Physiologic Deadspace ml
Vd/Vt Deadspace to tidal volume ratio %
VO
2
O
2
Consumption for one breath ml RM + sidestream CO
2
/AG
MVO
2
O
2
Minute Consumption ml/min
EE Energy Expenditure kCal/day
RQ Respiratory Quotient /
Parameter label Description Unit Required modules

Mindray BeneVision N Series Specifications

General

Brand	Mindray
Model	BeneVision N Series
Category	Medical Equipment
Language	English