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What does EasyBreathe do?
#1
What does EasyBreathe do?
What does the EasyBreathe option in the S mode of a AirCurve 10 VAuto actually do? ResMed says "Easy-Breathe pressure waveform mimics the wave shape of normal breathing and replicates it for optimum breathing comfort." This sounds like it may be affecting the abruptness (or not) of how the pressure changes between inhalation and exhalation. Is that correct? Are there any graphs available showing the difference?
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#2
RE: What does EasyBreathe do?
Easybreathe™ shapes the transitions in bilevel machines fro square wave (on-off), to a wave-form that looks like the familiar cresting wave you see in the Oscar mask pressure chart. With easybreathe, the pressure rises very quickly from EPAP with the rate of increase decreasing near the apex of inspiration (IPAP). Pressure from IPAP drops off very quickly as expiration begins but slows near the nadir of expiration. These wave shapes actually nearly mirror each other. Easybreathe is used in both VPAP pressure support and CPAP EPR. It can be turned off in VPAP S-mode and is not available in ST.
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#3
RE: What does EasyBreathe do?
Note the mask pressure curve. That is EasyBreathe at work. I'm not certain but I think it is built into the motor control logic, and as you note it can be switched on or off.

[Image: attachment.php?aid=26092]
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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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#4
RE: What does EasyBreathe do?
I've been using Easy-Breathe for some time now and love it. It manages to match the rate, as well as the rise and fall, of your breathing pattern to the point that you can not tell if the unit is turned on. As good as the Vauto mode was, there was always an artifact in the air delivery that let you know it was on. With that said, I tend to march to a different drummer.
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#5
RE: What does EasyBreathe do?
This is an ST that can’t do easy breath and it’s like being kicked in the face with a brick of air look at the mask pressure i increased the rise time to make it more comfortable but it’s still pretty much a square wave.

[Image: attachment.php?aid=10363]
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#6
RE: What does EasyBreathe do?
Thank you all. I had thought EasyBreathe was an option in S mode, but it appears that the option is really an option to turn it off. My mask pressure graphs on the VAuto and AutoSet with EPR all look the same. I tried turning off EasyBreathe on S mode and the result was ugly! I would think the square wave would be harder on the motor as it would require faster acceleration and deceleration.

My impression was that S mode with EasyBreathe on felt very slightly different than VAuto mode at the same pressures.
The current version of OSCAR is 1.2.0.  We recommend upgrading from any earlier version.

Useful links
Download OSCAR
Best way to organize charts
How to attach charts to your post

Membership in the Advisory Members group does not imply medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
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