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[Pressure] High pressure after bathroom visit
#11
RE: High pressure after bathroom visit
(02-17-2020, 08:20 AM)Sleeprider Wrote: Roamer, you have not included the flow limits chart, but we know that that is what is driving up your pressure.  For example at 01:15 we can see the flow rate pinching in as flow limitation increases.  Your pressure settings are on the default 4-20 and you're using exhale pressure relief (EPR) at 2.  We can help you further reduce flow limitation by increasing minimum pressure and EPR.  You need to change your settings to 7-20 and turn on EPR Full Time at 3.  This will give you 3-cm of pressure relief on exhale which will be both more comfortable and boost your respiratory volume a bit, it will also reduce flow limitation so your machine's pressure will be more stable.

I think you posted this before my last post with the FLow Limit chart. 

I am getting to different suggestions as to the EPR setting of 2 or 3. Can someone clarify? I saw a doctor online say that he sets everyone for 3.
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#12
RE: High pressure after bathroom visit
I have no issue with EPR=3, That was going to be the next change I was going to suggest. The 2 was to correct the mis-setting expecting to go to 3 after 1 night.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
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#13
RE: High pressure after bathroom visit
I am going to change one thing at a time. Changed EPR from 2 to 3. We will see how a few nights of that goes before changing limits. Thanks to all for your help. Smile
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#14
RE: High pressure after bathroom visit
A purpose of setting min pressure to a min of 7 is to give the EPR of 3 room to work. Your actual min pressure will be 4
This is a paired change
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
OSCAR

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New to Apnea? Helpful tips to ensure success
Soft Cervical Collar
Mask Primer
Dealing with a DME
Organize Charts
Attaching Charts

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#15
RE: High pressure after bathroom visit
Roamer321,

If you want to start at 4 with an EPR of 3, you need to set your Minimum to 7.
EPR of any setting (1, 2, or 3) cannot subtract from 4, so EPR is not doing anything yet.
Set the machine to EPR 3 full time and Min pressure to 7.
Dave

OSCAR
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#16
RE: High pressure after bathroom visit
(02-17-2020, 11:57 PM)bonjour Wrote: A purpose of setting min pressure to a min of 7 is to give the EPR of 3 room to work. Your actual min pressure will be 4
This is a paired change

OK thanks. I get it now. I will change the min pressure tonight.
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