Measures

All measurement data is represented as signed 16-bit values. Some control information is embedded into the measurement data by assigning special meaning to certain values.

As values with special meaning start from -32001 downwards, the smallest valid value is always -32000.

Physiological measures

ECG

Label Description Unit Range
ECG HR Heart rate 1/min 0 - 32768
ECG ST1 St-level mm  
ECG ST2 St-level mm  
ECG ST3 St-level mm  
ECG IMP-RR Respiration rate 1/min 0 - 32768
ECG: MOD Measurement module existence bool  
ECG: ACT Measurement activity bool  
ECG: ASY Asystole bool  
ECG HR-SRC

Heart rate source

  • 0: Not selected
  • 1: ECG
  • 2: Invasive pressure channel 1
  • 3: Invasive pressure channel 2
  • 4: Invasive pressure channel 3
  • 5: Invasive pressure channel 4
  • 6: SpO2
  • 7: Invasive pressure channel 5
  • 8: Invasive pressure channel 6
 str  
ECG: NS Noise bool  
ECG: AR Artifact bool  
ECG: LRN Learning bool  
ECG: PCR Pacer On bool  
ECG: CH1 Channel 1 off bool  
ECG: CH2 Channel 2 off bool  
ECG: CH3 Channel 3 off bool  
ECG LEAD-CH1

Lead configuration for channel 1

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  
ECG LEAD-CH2

Lead configuration for channel 2

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  
ECG LEAD-CH3

Lead configuration for channel 3

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  

INV-BP

Label Description Unit Range
INV-BP SYS Invasive pressure mmHg  
INV-BP DIA Invasive pressure mmHg  
INV-BP MEAN Invasive pressure mmHg  
INV-BP HR Pulse rate 1/min  
INV-BP: MOD Measurement module existence bool  
INV-BP: ACT Measurement activity bool  
INV-BP: ZR Zeroing bool  
INV-BP LBL

Invasive pressure label

  • 0: Not defined
  • 1: ART
  • 2: CVP
  • 3: PA
  • 4: RAP
  • 5: RVP
  • 6: LAP
  • 7: ICP
  • 8: ABP
  • 9: P1
  • 10: P2
  • 11: P3
  • 12: P4
  • 13: P5
  • 14: P6
 str  

NIBP

Label Description Unit Range
NIBP SYS Invasive pressure mmHg 0 - 327
NIBP DIA Invasive pressure mmHg 0 - 327
NIBP MEAN Invasive pressure mmHg 0 - 327
NIBP HR Pulse rate 1/min  
NIBP: MOD Measurement module existence bool  
NIBP: ACT Measurement activity bool  
NIBP CUFF

Invasive pressure cuff type

  • 0: Not defined
  • 1: Infant
  • 2: Reserved
  • 3: Adult
 str  
NIBP: AUTO Invasive pressure: AUTO mode selected bool  
NIBP: STAT Invasive pressure: STAT mode selected bool  
NIBP: MSR Invasive pressure: measuring bool  
NIBP: STASIS Invasive pressure: STASIS ON bool  
NIBP: CLBR Invasive pressure: calibrating bool  
NIBP: OLD Invasive pressure: data is older than 60s bool  

TEMP

Label Description Unit Range
TEMP Temperature °C  
TEMP: MOD Measurement module existence bool  
TEMP: ACT Measurement activity bool  
TEMP LBL

Temperature label

  • 0: Not used
  • 1: ESO
  • 2: NASO
  • 3: TYMP
  • 4: RECT
  • 5: BLAD
  • 6: AXIL
  • 7: SKIN
  • 8: AIRW
  • 9: ROOM
  • 10: MYO
  • 11: T1
  • 12: T2
  • 13: T3
  • 14: T4
  • 15: CORE
  • 16: SURF
 str  

SpO2

Label Description Unit Range
SpO2 Oxygenation percentage %  
SpO2 PR Pulse rate 1/min  
SpO2 IR-AMP Modulation %  
SpO2 [SO2|SaO2|SvO2] Modulation, value is specified by the label. %  
SpO2: MOD Measurement module existence bool  
SpO2: ACT Measurement activity bool  
SpO2 LBL

Measurement module existence

  • 0: SO2
  • 1: SaO2
  • 2: SvO2
  • 3: Not used
 str  

CO2

Label Description Unit Range
CO2 ET Expiratory concentration % 0 - 100
CO2 FI Inspiratory concentration % 0 - 100
CO2 RR Respiration rate 1/min  
CO2 PAMB Ambient pressure mmHg  
CO2: MOD Measurement module existence bool  
CO2: ACT Measurement activity bool  
CO2: AP Apnea bool  
CO2: CS Calibrating sensor bool  
CO2: ZS Zeroing sensor bool  
CO2: OC Occlusion bool  
CO2: ALK Air leak bool  
CO2 LBL

These bits indicate the respiration rate source

  • 0: Not selected
  • 1: CO2
  • 2: ECG, Impedance respiratory
 str  
CO2: CLBR Caliabrating bool  
CO2: MNS Measurement off bool  

O2

Label Description Unit Range
O2 ET Expiratory concentration %  
O2 FI Inspiratory concentration %  
O2: MOD Measurement module existence bool  
O2: ACT Measurement activity bool  

N2O

Label Description Unit Range
N2O ET Expiratory concentration %  
N2O FI Inspiratory concentration %  
N2O: MOD Measurement module existence bool  
N2O: ACT Measurement activity bool  
N2O: CLBR Caliabrating bool  
N2O: MNS Measurement off bool  

AA

Label Description Unit Range
AA ET Anesthesia Agents ET %  
AA FI Anesthesia Agent FI %  
AA MAC-SUM Anesthesia Agents MAC SUM %  
AA: MOD Measurement module existence bool  
AA: ACT Measurement activity bool  
AA: CLBR Caliabrating bool  
AA: MNS Measurement off bool  
AA

Anesthesia Agent

  • 0: Unknow
  • 1: None
  • 2: HAL
  • 3: ENF
  • 4: ISO
  • 5: DES
  • 6: SEV
 str  

FLOW-VOL

Label Description Unit Range
FLOW-VOL RR Respiration rate 1/min  
FLOW-VOL PPEAK Peak pressure cmH2O  
FLOW-VOL PEEP Positive end exp. pressure cmH2O  
FLOW-VOL PPLAT Plateau pressure cmH2O  
FLOW-VOL TV-INSP Inspiratory tidal volume ml  
FLOW-VOL TV-EXP Expiratory tidal volume ml  
FLOW-VOL COMP Compliance ml/cmH2O  
FLOW-VOL MV-EXP Expiratory minute volume l/min  
FLOW-VOL: MOD Measurement module existence bool  
FLOW-VOL: ACT Measurement activity bool  
FLOW-VOL: DIS Disconnection bool  
FLOW-VOL: CLBR Calibrating bool  
FLOW-VOL: ZR Zeroing bool  
FLOW-VOL: OBS Obstruction bool  
FLOW-VOL: LK Leak bool  
FLOW-VOL: MSR Measurement off bool  

CO-WEDGE

Label Description Unit Range
CO-WEDGE CO Cardiac output ml/min  
CO-WEDGE TEMP Blood temperature °C  
CO-WEDGE REF Right heart ejection fraction %  
CO-WEDGE PCWP Wedge pressure mmHg  
CO-WEDGE: MOD Measurement module existence bool  
CO-WEDGE: ACT Measurement activity bool  
CO-WEDGE CO-AGE Age of CO reading is > 60 s None  
CO-WEDGE PCWP-AGE Age of PCWP reading is > 60 s None  

NMT

Label Description Unit Range
NMT T1 Wedge pressure %  
NMT TRATIO t4/t1 in TOF mode, t2/t1 in DB mode %  
NMT PTC-COUNT Post tetanic count, max. value 21. Has value 31 if count not available None  
NMT PTC-TOF-COUNT TOF count in TOF mode None  
NMT PTC-DB-COUNT DB count in DB mode None  
NMT PTC-ST-COUNT ST count in ST mode None  
NMT PTC-STIM Stimulus current mA  
NMT: MOD Measurement module existence bool  
NMT: ACT Measurement activity bool  
NMT STM

Stimulus mode

  • 0: Train Of Four (TOF mode)
  • 1: Double Burst (DB mode)
  • 2: Single Twitch (ST mode)
  • 3: Post-tetanic count
  • 4: Tetanic
  • 5: Regional block
 str  
NMT TIME

Time

  • 0: Not used
  • 1: 100 us
  • 2: 200 us
  • 3: 300 us
 str  
NMT: SUP Supramax current found bool  
NMT: CLBR Calibrated bool  

ECG-EXTRA

Label Description Unit Range
ECG-EXTRA: HR Heart rate as derived from the ecg signal bool  
ECG-EXTRA: HR-MAX Maximum heart rate bool  
ECG-EXTRA: HR-MIN Minimum heart rate bool  
ECG-EXTRA: MOD Measurement module existence bool  
ECG-EXTRA: ACT Measurement activity bool  

SvO2

Label Description Unit Range
SvO2 SvO2 %  
SvO2: MOD Measurement module existence bool  
SvO2: ACT Measurement activity bool  

ECG-ARRH

Label Description Unit Range
ECG-ARRH HR Heart rate 1/min  
ECG-ARRH RR The RR interval 1/min  
ECG-ARRH PVC Premature Ventricular Contractions ?  
ECG-ARRH: MOD Measurement module existence bool  
ECG-ARRH: ACT Measurement activity bool  

ECG-12

Label Description Unit Range
ECG-12 STI St-level mm  
ECG-12 STII St-level mm  
ECG-12 STIII St-level mm  
ECG-12 STAVL St-level mm  
ECG-12 STAVR St-level mm  
ECG-12 STAVF St-level mm  
ECG-12 STV1 St-level mm  
ECG-12 STV2 St-level mm  
ECG-12 STV3 St-level mm  
ECG-12 STV4 St-level mm  
ECG-12 STV5 St-level mm  
ECG-12 STV6 St-level mm  
ECG-12: MOD Measurement module existence bool  
ECG-12: ACT Measurement activity bool  
ECG-12 LEAD-CH1

Lead configuration for channel 1

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  
ECG-12 LEAD-CH2

Lead configuration for channel 2

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  
ECG-12 LEAD-CH3

Lead configuration for channel 3

  • 0: Not selected
  • 1: ECG I
  • 2: ECG II
  • 3: ECG III
  • 4: ECG AVR
  • 5: ECG AVL
  • 6: ECG AVF
  • 7: ECG V
 str  

NMT2

Label Description Unit Range
NMT2 T1 T1 absolute value None  
NMT2 T2 T2 absolute value None  
NMT2 T3 T3 absolute value None  
NMT2 T4 T4 absolute value None  
NMT2: MOD Measurement module existence bool  
NMT2: ACT Measurement activity bool  

EEG

Label Description Unit Range
EEG FEMG Frontal electro-myography uv  
EEG EEG1-AMPL RMS amplitude uv  
EEG EEG1-SFR Spectral edge frequency Hz  
EEG EEG1-MNF Median frequency Hz  
EEG EEG1-DELTA Relative power spectral content in delta band %  
EEG EEG1-THETA Relative power spectral content in theta band %  
EEG EEG1-ALPHA Relative power spectral content in alpha band %  
EEG EEG1-BETA Relative power spectral content in beta band %  
EEG EEG1-BSR Burst suppression ratio %  
EEG EEG2-AMPL RMS amplitude uv  
EEG EEG2-SFR Spectral edge frequency Hz  
EEG EEG2-MF Median frequency Hz  
EEG EEG2-DELTA Relative power spectral content in delta band %  
EEG EEG2-THETA Relative power spectral content in theta band %  
EEG EEG2-ALPHA Relative power spectral content in alpha band %  
EEG EEG2-BETA Relative power spectral content in beta band %  
EEG EEG2-BSR Burst suppression ratio %  
EEG EEG3-AMPL RMS amplitude uv  
EEG EEG3-SEF Spectral edge frequency Hz  
EEG EEG3-MF Median frequency Hz  
EEG EEG3-DELTA Relative power spectral content in delta band %  
EEG EEG3-THETA Relative power spectral content in theta band %  
EEG EEG3-ALPHA Relative power spectral content in alpha band %  
EEG EEG3-BETA Relative power spectral content in beta band %  
EEG EEG3 BSR Burst suppression ratio %  
EEG EEG4-AMPL RMS amplitude uv  
EEG EEG4-SEF Spectral edge frequency Hz  
EEG EEG4-MF Median frequency Hz  
EEG EEG4-DELTA Relative power spectral content in delta band %  
EEG EEG4-THETA Relative power spectral content in theta band %  
EEG EEG4-ALPHA Relative power spectral content in alpha band %  
EEG EEG4-BETA Relative power spectral content in beta band %  
EEG EEG4-BSR Burst suppression ratio %  
EEG: MOD Measurement module existence bool  
EEG: ACT Measurement activity bool  
EEG: MSN

Measurement type

  • 0: referential
  • 1: bipolar
 bool  
EEG: MONTAGE Montage (in use: 0…7) bool  
EEG: HEAD Headbox off bool  
EEG: SSEP SSEP cable off bool  
EEG: CH1-LEADS Channel 1 leads off bool  
EEG: CH2-LEADS Channel 2 leads off bool  
EEG: CH3-LEADS Channel 3 leads off bool  
EEG: CH4-LEADS Channel 4 leads off bool  
EEG: CH1-ARTF Channel 1 artefact bool  
EEG: CH2-ARTF Channel 2 artefact bool  
EEG: CH3-ARTF Channel 3 artefact bool  
EEG: CH4-ARTF Channel 4 artefact bool  
EEG: CH1-NS Channel 1 noise bool  
EEG: CH2-NS Channel 2 noise bool  
EEG: CH3-NS Channel 3 noise bool  
EEG: CH4-NS Channel 4 noise bool  
EEG: EP

EP selection

  • 0: AEP
  • 1: SSEP
 bool  
EEG: MSN

Measurement type

  • 0: referential
  • 1: bipolar
 bool  

EEG-BIS

Label Description Unit Range
EEG-BIS   ?  
EEG-BIS SQI   ?  
EEG-BIS EMG   ?  
EEG-BIS SR   ?  
EEG-BIS: MOD Measurement module existence bool  
EEG-BIS: ACT Measurement activity bool  

ENTROPY

Label Description Unit Range
ENTROPY SE State entropy % 0 - 100
ENTROPY RE Response entropy % 0 - 100
ENTROPY BSR Burst suppression rate % 0 - 100
ENTROPY: MOD Measurement module existence bool  
ENTROPY: ACT Measurement activity bool  

EEG2

Label Description Unit Range
EEG2 COMMON   ?  
EEG2 CH1M   ?  
EEG2 CH1P   ?  
EEG2 CH2M   ?  
EEG2 CH2P   ?  
EEG2 CH3M   ?  
EEG2 CH3P   ?  
EEG2 CH4M   ?  
EEG2 CH4P   ?  
EEG2: MOD Measurement module existence bool  
EEG2: ACT Measurement activity bool  

GASEX

Label Description Unit Range
GASEX VO2 Oxygen consumption ml/min  
GASEX VCO2 Carbon dioxide consumption ml/min  
GASEX EE Energy expenditure kcal/24h  
GASEX RQ Respiratory quotient None  
GASEX: MOD Measurement module existence bool  
GASEX: ACT Measurement activity bool  

FLOW-VOL2

Label Description Unit Range
FLOW-VOL2 IPEEP Intrinsic PEEP cmH2O  
FLOW-VOL2 Pmean Mean pressure cmH2O  
FLOW-VOL2 RAW Airway resistance cmH2O  
FLOW-VOL2 MVINSP Inspired minute volume L/min  
FLOW-VOL2 EPEEP Extrinsic PEEP cmH2O  
FLOW-VOL2 MVESEX Spontaneous expired minute volume L/min  
FLOW-VOL2 IERATIO   None  
FLOW-VOL2 ISPTIME   None  
FLOW-VOL2 EXPTIME   None  
FLOW-VOL2 STCCOMP   None  
FLOW-VOL2 STCPPLAT   None  
FLOW-VOL2 STCPEEPE   None  
FLOW-VOL2 STCPEEPI   None  
FLOW-VOL2: MOD Measurement module existence bool  
FLOW-VOL2: ACT Measurement activity bool  

BAL-GAS

Label Description Unit Range
BAL-GAS ET Expiratory concentration %  
BAL-GAS FI Inspiratory concentration %  
BAL-GAS: MOD Measurement module existence bool  
BAL-GAS: ACT Measurement activity bool  

TONO

Label Description Unit Range
TONO PrCO2 PrCO2 concentration kPa  
TONO P(r-Et)CO2 P(r-Et)CO2 gap kPa  
TONO P(r-a)CO2 P(r-a)CO2 gap kPa  
TONO PADELAY PaCO2 delay min  
TONO PHI pHi value None  
TONO PHIDELAY pHi delay min  
TONO PAMB Ambient pressure mmHg  
TONO CMPA Research data None  
TONO: MOD Measurement module existence bool  
TONO: ACT Measurement activity bool  
TONO: LEAK Leak bool  
TONO: VOLDR volume dropped in catheter bool  
TONO: TECHFAIL Technical failure bool  
TONO: UNFILL Unable to fill catheter bool  
TONO: OVER PrCO2 over limit bool  

AA2

Label Description Unit Range
AA2 MAC-AGE-SUM   ?  
AA2: MOD Measurement module existence bool  
AA2: ACT Measurement activity bool  

Waveform measures

Label Description Unit Samps
ECG1   mV 300
ECG2   mV 300
ECG3   mV 300
INVP1 Invasive blood pressure mmHg 100
INVP2 Invasive blood pressure mmHg 100
INVP3 Invasive blood pressure mmHg 100
INVP4 Invasive blood pressure mmHg 100
INVP5 Invasive blood pressure mmHg 100
INVP6 Invasive blood pressure mmHg 100
PLETH Plethysmograph: modulation % 100
CO2 CO2 concentration % 25
N2O N2O concentration % 25
AA_WAVE Anaesthesia agent % 25
AWP Airway pressure cmH2O 25
FLOW Airway flow l/min 25
VOL Airway volume ? 25
RESP ECG impedance Ω 25
EEG1   uV 100
EEG2   uV 100
EEG3   uV 100
EEG4   uV 100
TONO_PRESS   ? ?
SPI_LOOP_STATUS   ? ?
ENT_100 EEG channel from ENT100 module. uV 300
EEG_BIS   ? ?