ApneaGraph AG200

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ApneaGraph AG200

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Data Acquisition Unit (Logger)

• Records pressure, temperature, body-position,
  sound, SaO2, heart rate, chest-belts.
• Automatic start and stop
• Saves data to CF card

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Set Up Overview
Logger and catheter
Start and stop
Sensors
Accept
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Analysis Software
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Show complete report
Show analysis sheets
Apnea-indications
T0 and T1 Air flow (temperature change per. sec)
Pressure P0 and P2
Oxygen saturation
Pulse rate
Snoring
Body position
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Full Report Generator Software
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Diagnostic Data
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Oxygen Saturation Data
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Heart Rate Data
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Body Position
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Patient Data and Key Sleep Demographics
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• Sequence with increased P0 pressure (thorax)
• 5 off, each 5 min duration
• High pressure
• Stable level
• Alarm limit 10 cmH2O

P0 peak to peak (P2P) averaged over 5 minutes
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Analysis
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Mixed Apnea
Mixed
Upper indication
Criterion gt 5 s central gt5 s obstructive
Central followed by obstructive
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Central Apnea
Central
No level indication
Criterion P and T flat gt 10 s
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Hypopnea, upper
Indicates hypopnea and apnea, position and
duration
Hypopnea envelope curve falls to lt 50
SaO2-drop follows
Indication of SaO2-drop
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Increased pressure (5 min)
Few or no apneas
Stable pressures
Stable SaO2
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Obstructive Upper Apnea
Obstructive
Indicated as upper
Criterion (P2 zero) gt (P0 P2)
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Obstructive Lower Apnea
Obstructive
Indication as lower
Criterion (P2 zero) lt (P0 P2)
SaO2 drop follows
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Snoring
Stable conditions, no apneas
Severe snoring
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Snoring During Apnea
Unstable conditions, obstructive apneas
Severe snoring between apneas