Waveforms Tab System Interface
3 - 16 046-004667-00 A7™ Operating Instructions
3.4 Waveforms Tab
Displays PAW , Flow, Volume, CO
2
, O
2
, N
2
O and AA (AA stands for anesthetic agent) waveforms (see
FIGURE 3-23).
FIGURE 3-23 Main Screen Waveforms Tab
3.4.1 Waveforms Autoscaling
If the measured value of Paw, Flow, or Volume is larger than the boundary at the end of breath cycle,
the system auto scales the waveform at the beginning of the next breath cycle.
If the measured value of Paw, Flow, or Volume is less than the boundary minus a margin at the end of
two continuous breath cycles, the A7 System auto scales the waveform at the beginning of the next
breath cycle.
Paw scale:
• The margin is 3 cmH
2
O if Paw < 30 cmH
2
O
• The margin is 10 cmH
2
O if Paw ≥ 30 cmH
2
O
Flow scale:
• The margin is 10 L/min if Flow ≤ 30 L/min
• The margin is 15 L/min if Flow > 30 L/min
Waveforms Tab
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