172 Appendix A Glossary
fabian HFO | SW 5.1.x
Ref: 113003.EN / Date 2020-02-10
Appendix A Glossary
Temporary inability to breathe.
The collapse or closure of a lung resulting in reduced or absent gas
exchange.
The continuous flow of gas responsible for replenishing oxygen and
removing carbon dioxide (CO
2
) from the patient circuit.
Time triggered, time cycled pressure SIPPVs at two separate pressure
levels.
Breaths-per-minute (applies to each spontaneous, triggered and
mandatory).
A digit representing the sum of the correct digits in a piece of stored or
transmitted digital data, against which later comparisons can be made to
detect errors in the data.
Communication interface with system.
A value determined by capnography which corresponds to the difference
between the arterial and alveolar end-tidal CO
2
, which is normally 2 to 3
mmHg.
Can occur due to the following respiratory episodes:
• Low tidal volume ventilation
• Inadequate positive end-expiratory pressure (PEEP)
• Use of high FiO
2
(absorption atelectasis)
Digital Input / Output interface. Relay digital signals from sensors,
transducers, and mechanical equipment to other electrical circuits and
devices.
Waveform capnography represents the amount of carbon dioxide (CO
2
) in
exhaled air, which assesses ventilation. It consists of a number and a
graph. The number is capnometry, which is the partial pressure of CO
2
detected at the end of exhalation. This is end-tidal CO
2
(EtCO
2
) which is
normally 35 to 45 mm.
Fraction of Inspired Oxygen. A fraction of oxygen in the volume being
measured.
Patient attachment for delivering CPAP, used with nasal prongs and mask.
Ingress protection rating.
Infrared radiation [wavelength around 700 nanometers (nm)].
Leakage from patient or system tubings /connections.
Low Noise Cable Sensors (Masimo trade mark).
Magnetic Resonance Imaging.
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