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Disappointed
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justMongo Offline

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Posts: 3,857
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #31
RE: Disappointed
(07-31-2014 10:19 AM)robysue Wrote:  The pressure data indicates that you are indeed running in VPAP S (fixed bilevel) mode with a very short ramp period...

I agree the pressure graph looks like S mode. But, the mode listed to the left of her SH graphs says APAP.

Could it be that the machine is in Auto mode -- but the IPAPmax and EPAPmin and PS are set in such a way as to constrain the machine's pressure such that it's acting like an S mode VPAP?

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.
07-31-2014 11:18 AM
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robysue Offline
Wiki Editor
Advisory Members

Posts: 1,247
Joined: Oct 2013

Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #32
RE: Disappointed
(07-31-2014 11:18 AM)justMongo Wrote:  
(07-31-2014 10:19 AM)robysue Wrote:  The pressure data indicates that you are indeed running in VPAP S (fixed bilevel) mode with a very short ramp period...

I agree the pressure graph looks like S mode. But, the mode listed to the left of her SH graphs says APAP.
I'm pretty sure this is a (known) SH bug. Others have reported inconsistencies between what SleepyHead reports as the mode and what the mode is set to for VPAP and BiPAP machines

Also, the VPAP Auto does not have an APAP mode as I recall. But it is true that if you use VPAP Auto mode with PS = 0, 1, 2, or 3, that will minic the S9 AutoSet's APAP mode with EPR set to 0, 1, 2, or 3.

And it's quite clear from the pressure graphs that Clementine's PS = 6, which also indicates that APAP is NOT the correct mode.

Quote:Could it be that the machine is in Auto mode -- but the IPAPmax and EPAPmin and PS are set in such a way as to constrain the machine's pressure such that it's acting like an S mode VPAP?
Yes, if the VPAP Auto was set to VPAP Auto mode with
    min EPAP = 5,
    max IPAP = 11,
    PS = 6,
then the machine would act just like it does in VPAP S. But then the numerical data that Clementine posted further up stream would have had PS data along with IPAP and EPAP data.

Questions about SleepyHead?
See my Guide to SleepyHead
07-31-2014 11:31 AM
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justMongo Offline

Monitors

Posts: 3,857
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #33
RE: Disappointed
RobySue - I agree that a better therapy choice would be to set to Auto and give the machine several cm-H2O on the IPAP to work with.
Clementine's OAs are clustered, as you note.

I use the same machine in Auto; and it does a wonderful job of suppressing flow limitation and impending OA.

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.
07-31-2014 11:43 AM
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Clementine Offline

Preferred Members-2

Posts: 208
Joined: Sep 2013

Machine: ResMed VPap Auto
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
Humidifier: ResMed H5i--not using currently
CPAP Pressure: Auto -- 8/13.2 PS 3.2
CPAP Software: SleepyHead

Other Comments: Began with machine on 7/7/14.

Sex: Female
Location: eastern Iowa

Post: #34
RE: Disappointed
Okay, so you've lost me a bit there .... should I go with the advice to ask for the Vpap auto?
07-31-2014 11:55 AM
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robysue Offline
Wiki Editor
Advisory Members

Posts: 1,247
Joined: Oct 2013

Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #35
RE: Disappointed
(07-31-2014 11:55 AM)Clementine Wrote:  Okay, so you've lost me a bit there .... should I go with the advice to ask for the Vpap auto?
Yes. You really ought to ask the sleep doc to authorize at least week long trial on VPAP Auto.

Questions about SleepyHead?
See my Guide to SleepyHead
07-31-2014 12:16 PM
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