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Symptoms of pressure being too high??
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MrEGuy Offline

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Posts: 27
Joined: Apr 2016

Machine: None
Mask Type: Not using mask
Mask Make & Model: none
Humidifier: none
CPAP Pressure: none
CPAP Software: Not using software

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Sex: Undisclosed
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Post: #1
Symptoms of pressure being too high??
Hello,
We recently purchased a Dream Station Auto from the US and my wife has been using it for the past three weeks. We left the machine wide open (4-20) as we didn't see any harm and she had used a hire one wide open with no problems. The sleep doctor at the hospital gave her a prescription for a Fixed machine set to 8cm just in case we needed it to buy a machine. He didn't see auto as a necessity, he also said that the 8cm was his best guess based on his inspection. This fit with the report from the previous hire machine that the 90% average was 7.5cm

My wife recently went to the GP complaining that she was dizzy and had chest pain. The GP ordered blood tests etc. When I got home I thought I should check her machine just in case it was too much oxygen. The machine showed that her 90% average was 10.9cm. I did notice a few of the settings had changed since I set it up e.g. the modem was turned on even though I turned it off as it will not work in Australia. I am not sure if this was our two year old who enjoys pressing buttons. All of the pressure settings looked how I expected them to be. My wife's next consultation with the sleep specialist is not for 6 months.

What if any are the symptoms of having the pressure on the machine too high? Is there anything that might cause the 90% pressure to rise like that over a short period of time? Is it wise to keep using the machine the way it is? Should we bring the pressure limit down?

Any thoughts would be appreciated. I will also get the wife to discuss it with the GP next time we see her, although she has previously mentioned that she is not familiar with Sleep Aponea and not had a patient with it in the past.

Steve
10-19-2016 04:28 AM
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cate1898 Offline

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Posts: 784
Joined: Aug 2015

Machine: PR System One 560BT Auto
Mask Type: Nasal pillows
Mask Make & Model: P10's/backup-DreamWear
Humidifier: PR attached
CPAP Pressure: 8.5 - 13. A-Flex 3
CPAP Software: SleepyHead

Other Comments: Began CPAP Therapy Sept. 11, 2015. Hx Hypertension, Post Graves Disease, chronic migraines.

Sex: Female
Location: Southern Ontario//SW Florida

Post: #2
RE: Symptoms of pressure being too high??
I think you need to at least tighten up the range. Starting at 4 is difficult for most and may feel like you're not getting enough air, expecially if the 90% is 10.9. Exactly what you should change to I'll leave up to those more experienced to suggest.

APNEABOARD - A great place to be if you're a hosehead!! Rolleyes

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EVERY ACCOMPLISHMENT BEGINS WITH THE DECISION TO TRY!
10-19-2016 06:19 AM
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Ezil71 Offline

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Posts: 43
Joined: Oct 2016

Machine: Resmed S10 Autoset
Mask Type: Nasal mask
Mask Make & Model: Wisp
Humidifier: Resmed
CPAP Pressure: 7-9.6
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: United States

Post: #3
RE: Symptoms of pressure being too high??
The modem turns itself on automatically after 3 days. You can remove it by opening the flap on the left side of the machine and puling it out.
10-19-2016 09:19 AM
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Sleeprider Online
Wiki Editor
Advisory Members

Posts: 3,356
Joined: Dec 2014

Machine: Resmed Aircurve 10 Vauto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: Resmed Climateline
CPAP Pressure: Auto Bilevel 18/9, PS 3
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Where they make Respironics

Post: #4
RE: Symptoms of pressure being too high??
I think you need to arm yourself with more data. SleepyHead is free, and you should use it. Its author Mark Watson is from Australia, so you should feel right at home. There a a number of reasons the pressure might climb to over 11 cm, but that can be limited in the settings if it is causing distress. Since she used CPAP successfully with a pressure at 7.5, it would make sense not to start so low as 4 cm. I would move the minimum pressure to 5.5 or 6.0 and start there. This should be a comfortable pressure she has seen before without problems, and the machine pressure will rise as needed to deal with obstruction. For the time-being, you may limit maximum pressure to 10.0 for comfort. This is until you have a chance to install Sleepyhead and understand better what is going on.

Give these pressures try and download SleepyHead. Be sure to come back and let us help you to understand the data, and we can then give you recommendations based on something besides a closer auto CPAP implementation of your doctor's recommendation (that is the basis of the above settings based on + 2 cm of his suggestion of 8). When you're ready to post data, here are some tutorials on organizing the data and using Imgur to host the image files.

https://sleep.tnet.com/resources/sleepyhead/shorganize
https://sleep.tnet.com/reference/tips/imgur

______________________________________________
Organize your SleepyHead Data
Post your SleepyHead Data from Imgur
Robysue's Beginner's Guide to Sleepyhead
10-19-2016 11:44 AM
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EnigmaGrey Offline

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Posts: 23
Joined: Oct 2016

Machine: Respironics DSX500T11
Mask Type: Nasal pillows
Mask Make & Model: Respironics Nuance Gel
Humidifier: DSXH
CPAP Pressure: 6-16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Canada

Post: #5
RE: Symptoms of pressure being too high??
imo, the machine seems to overcompensate when wide open. E.g. an ideal pressure might be 9, but because of the number of events while raising the pressure from 4 to 9, it then keeps going until it hits its maximum, then taper off.

Tightening the range from 4 - 16 to 8 - 16 left me with an 95% of 9 with it rarely ever going to 10. For me, it was the pressure setting of 4 that caused most my issues, from hyperventilating to headaches and sinus pain, to swallowing air causing chest / abdominal pain.

But I'm new to this.
10-19-2016 06:32 PM
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