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New CPAP User ready to quit - Central Apnea, ASV
#91
RE: New CPAP User ready to quit - Central Apnea, ASV
FWIW: this is within OSCAR Daily charts view
Dave

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#92
RE: New CPAP User ready to quit - Central Apnea, ASV
(01-18-2020, 06:59 PM)Geer1 Wrote: Max PS is 12 because max IPAP is set to 16.

IPAP - EPAP = PS
16 (IPAP max) - 4 (EPAP min) = 12 (PS max)

You are having the odd obstructive apnea along with the hypopneas and these PR machines do not appear to react as quickly as Resmed. Higher EPAP is what is required to treat apneas and I would start by increasing EPAP slightly, this will also increase IPAP which will help with the hypopneas. I would set EPAP min to 6, IPAP max to 20, leave PS min at 4 (for now), PS max to 14 and try that for a few nights.

Can you swap out the pressure chart with mask pressure and post a couple 2 min zoomed in views of the hypopneas. Also curious to see one zoomed in normal breathing area. Kind of curious as to what is happening and how these PR machines respond.

This unit doesn’t show IPAP. What should settings be?
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#93
RE: New CPAP User ready to quit - Central Apnea, ASV
Max IPAP = max pressure.
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#94
RE: New CPAP User ready to quit - Central Apnea, ASV
OK. Here are the settings now. Is this correct?

Pressure = 20
EPAP Max = 9
EPAP Min = 6
PS Max = 14
PS Min = 4
BPM =auto
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#95
RE: New CPAP User ready to quit - Central Apnea, ASV
Assuming pressure is max pressure yes that looks good.
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#96
RE: New CPAP User ready to quit - Central Apnea, ASV
Go to view-> reset graphs-> Advanced  This shift the charts to display the respiratory values that better suit an ASV.

We made this easy in the new version of OSCAR that you have
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter

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#97
RE: New CPAP User ready to quit - Central Apnea, ASV
OK. I reset the graphs to Advanced.  Also, took new screenshots after.  Also included zoom in on hypopnea and normal breathing.


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#98
RE: New CPAP User ready to quit - Central Apnea, ASV
Here are the rest of the screenshots.


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#99
RE: New CPAP User ready to quit - Central Apnea, ASV
I don't know what algorithm PR uses for their ASV's but it is obviously much less reactive/forceful than Resmed's (only supplying 4-6 cm PS even when hypopneas are occurring). Increasing min EPAP and min PS will make the biggest differences with this machine, lets stick with the current changes for now to see what they do.
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