Capabilities

The Portable PFS - which operates with the NASA Gas Delivery System - forms a portable respiratory facility capable of performing a wide range of respiratory and cardiovascular measurements. These includes:

  • Cardiac output, Pulmonary Blood Flow
  • Functional Residual Capacity
  • Lung Tissue volume (Volume of pulmonary capillary blood)
  • Total Lung Capacity
  • VO2, VCO2, VE (Breath-by-breath or Mixing-bag-system)
  • Respiratory exchange ratio VO2/VCO2 (Breath-by-breath or Mixing-bag-system)
  • Fractional inspiratory and expiratory volumes, FIO 2 and FEO 2, FICO 2 and FECO 2
  • Alveolar Ventilation
  • Vital Capacity
  • Dead Space Volume
  • Expiratory Reserve Volume
  • Forced Expired Spirometry
  • Residual Volume
  • Tidal Volume
  • Heart Rate
  • ST measurements
  • ST slope
  • Arrhythmia’s
  • Systolic Blood Pressure
  • Diastolic Blood Pressure
  • Mean Blood Pressure

The Portable PFS contains two basic modules for analyzing the gasses in the inspired and expired air:

  • Multi-Gas Analyzer (PGA for measuring three gases (SF-6, CO2, R-22)
  • Oxigraf analyser for Oxygen measurement
Other subsystems

The PFS contains a number of subsystems to measure other parameters:

  • Ambient Conditions Monitoring Subsystem (ACMS)
    • Relative humidity (Range 0…100 %RH)
    • Temperature (Range of 5…50°C)
    • Pressure (Range of 800…1100 hPa)
  • Differential Pressure Flowmeter (DPFM)
    • Flow range -15 l/s to + 15 l/s.
  • Turbine Flowmeter (TFM)
    • Flow range -10 l/s to + 10 l/s.
  • 12-leads ECG system (ECG)
    • Measure among other: Heart rate, ST measurements, ST slope, Arrhythmia’s
  • Non-Invasive Blood Pressure System (NIBP)
    • Brachial based on measurement of Korotkoff sounds .
    • Measures: Systolic Blood Pressure, Diastolic Blood Pressure, Heart Rate and Mean Blood Pressure
  • SpO2 Pulse Oxymetry
    • Measures Oxygen Saturation (Range 70%-100% and measure also heart rate)

 

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