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Cflex or Aflex??
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GTOdude Offline

Preferred Members

Posts: 94
Joined: Dec 2015

Machine: RemStar Auto APAP
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFIT P10
Humidifier: Unsure
CPAP Pressure: 7-14
CPAP Software: SleepyHead EncoreBasic

Other Comments: Other Dx: cabg x3 '94. Hypothyroid '15 and other maladies.

Sex: Male
Location: Central Valley, Left Coast

Post: #1
Cflex or Aflex??
Please forgive me for being so inquisitive and asking so many questions, but can someone tell this dummy what the difference is between A flex and C flex, and which one I should be using in my situation on my System One Auto APAP?

Thanks..

Mark
12-14-2015 09:13 PM
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OpalRose Offline

Monitors

Posts: 3,181
Joined: Nov 2014

Machine: PR System One REMstar Auto 560 with A Flex
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10 For Her
Humidifier: REMStar heated humidifier with heated hose
CPAP Pressure: Auto Cpap 10-13 AFLEX 1
CPAP Software: SleepyHead EncoreBasic

Other Comments: Started CPAP Therapy October 23, 2014

Sex: Female
Location: Northeast Ohio, USA

Post: #2
RE: Cflex or Aflex??
GTOdude,
Order the Clinicians Manual for your machine. See link at top of page (CPAP SETUP MANUALS)
This is explained in detail in the manual which you will want anyway to know how to change settings.

I use AFEX set at 2. In Auto Mode, you also are able to use CFLEX. There is a different feel, and it's something you have to experiment with.
There are diagrams in the manual that explains it.

OpalRose
(This post was last modified: 12-14-2015 09:37 PM by OpalRose.)
12-14-2015 09:35 PM
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Ghost1958 Offline

Advisory Members

Posts: 957
Joined: Aug 2014

Machine: PRS1 Series Sixty Auto Aflex
Mask Type: Nasal mask
Mask Make & Model: F&P Eson
Humidifier: PRS1 with Heated Hose
CPAP Pressure: 10.5 min 16 max
CPAP Software: SleepyHead EncoreBasic

Other Comments: Moderate to Severe SA Obstructive. Rapid O2 desat off the machine.

Sex: Male
Location: KY

Post: #3
RE: Cflex or Aflex??
The prs1 auto has three flex modes.
Cflex ,Cflex plus, and Aflex
All are flow based.
Cflex will not smooth the transition from inhale to exhale.
Cflex plus and Aflex perform in the same way.
Both are flow based mirroring your breathing pattern and smoothing the transition between inhale and exhale.
Cflex plus is only available when set up as a straight cpap.
In auto mode Aflex or Cflex are available.
Cflex and Aflex feel different.
And Aflex will not end an exhalation more than 2 cm below whatever the current running pressure is.

Aflex was designed for auto mode but some dont like it and prefer cflex or no flex at all.
I run min 11 pressure aflex of 1.
12-14-2015 09:46 PM
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