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Pressure Change
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dougjohnson Offline

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Posts: 1
Joined: Apr 2015

Machine: ResMed Elite S9
Mask Type: Nasal pillows
Mask Make & Model: Swift Fx
Humidifier: ResMed
CPAP Pressure: 19
CPAP Software: Not using software

Other Comments:

Sex: Male
Location:

Post: #1
Pressure Change
I use a ResMed Elite S9 at a pressure setting of 19 and I've noticed that after about an hour the pressure drops significantly causing me to wake up, is this normal? Is this something I can adjust?
04-19-2015 02:40 AM
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DeepBreathing Offline
Wiki Editor
Moderators

Posts: 2,297
Joined: Sep 2013

Machine: Resmed S9 VPAP Adapt
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: Resmed H5i
CPAP Pressure: EPAP: 9 - 15 PS: 3 - 10
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Perth, Western Australia

Post: #2
RE: Pressure Change
G'day Doug, welcome to Apnea Board.

The Elite should maintain a constant pressure all night. If it does drop suddenly, two things come to mind - 1) the machine is experiencing a malfunction, or 2) there is a significant leak. A pressure of 19 is very high - almost at the upper limit of what the machine can produce, so it's not impossible it's overheating. But more likely you're experiencing a leak somewhere along the system.

I see you're not using software - I'd suggest you install Sleepyhead and monitor what's happening. http://www.sleepfiles.com/SH2/ Sleepyhead is user-friendly (to quote an old term) and will indicate the pressure, flow rates, leaks etc. In the absence of software, you can also check the LCD display - press the two silver buttons together for 3 seconds. Then use the push-dial to select and click on the second icon from the top, which will give you a detailed list of your parameters including 90% leaks. This might give you a clue as to what's happening, but the software gives a much more comprehensive report.

DeepBreathing
Apnea Board Moderator
www.ApneaBoard.com


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04-19-2015 03:25 AM
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trish6hundred Offline

Advisory Members

Posts: 6,453
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #3
RE: Pressure Change
Hi dougjohnson,
WELCOME! to the forum.!
Hang in there for more suggestions and answers to your question and much success to you with your CPAP therapy.

trish6hundred
04-19-2015 10:27 AM
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