![]() The higher the differential you use, the higher that IPAP has to go compared to the EPAP. Again this is not necessarily an advantage in treating CA. The BiPAP machines can provide much more, and adjust it automatically during the night. A ResMed APAP can give you a 3 cm difference with EPR. ![]() The second difference is the ability to produce a higher differential between inhale and exhale pressure. But the higher pressure is not an obvious advantage in treating CA. First the BiPAP can go up to 25 cm for maximum pressure while the APAP is limited to 20 cm. There are two main differences in a BiPAP compared to a APAP. This is an example of how I use SleepyHead. My conclusion is that if anything the pressure may be too high, not too low. For this night my total AHI was 3.31, with 1.66 CA, 0.25 OA, and 1.40 H. If they are central, then more pressure may make it worse. If the hypopnea events are obstructive in nature one would benefit from more pressure. Where the rubber hits the road is when you are trying to decide what to do about it. This is an example of why I more or less lump in my hypopnea events with the CA events as part of the same problem. The final event is classed as a hypopnea, but I would say almost for certain it is just a CA event that did not go to full loss of air flow. If something upsets it, it starts to cycle as can be seen most easily with the minute ventilation. For whatever reason my breathing control system is not stable. This was really the starting point of the event series and it is due to my issues with breathing control that cause central apnea. If you look at the minute ventilation you can see that the flow was cycling prior to these events, and really started about 2:33.45. You will see there is a series of events RE, CA, CA, CA, H. Here is an example from last night to look at zoomed in. My suspicion is that most of my hypopnea events are central in nature rather than obstructive. However, they can actually be due to reduced effort to breathe which is a central effect. Hypopnea is generally assumed to be a flow reduction due to restriction of air flow, or obstructive in nature. I suffer from CA events, and then hypopnea events next. If you want to zoom in on events to expand the scale and look at them in detail you can form your own opinion as to how accurate the classification is. However, they are a good indication of what is going on. Yes, the machine can make mistakes, and the event classifications should not be considered as absolutely correct. It is the machine that determines the types of events. All the software does is display the data that the CPAP/BiPAP machine has captured. SleepyHead source code is currently available from: SleepyHead is copyright (C) 2011-2017 Mark Watkins (Jedimark) Contact Software License OS Icons used on this site by icons8.My first thought is that this is not a OSCAR or SleepyHead issue. I'm no longer developing SleepyHead, but donations are still acceppted if you wish to show appreciation for my past work. SleepyHead is open source software, and is the result of thousands of hours of hard work. Ubuntu 15.04 1.0.0-beta-1 SHA1: c02bb57a07182900675b5e227f469e5dd90c2949 Mirrors Jedimark's Server (Singapore) Notes This build is ONLY for ubuntu 15.04, sorry linux guys & gals, if this isn't you, you'll have to build from source MacOSX 10.7+ 1.0.0-beta-2.2 SHA1: c49000b5498a7ed9f6f0d40c5cd31a88043ba221 Mirrors Jedimark's Server (Singapore) Notes I made a snafu with the 1.0.0-beta-2 build that mucked up bookmarks. You need to uninstall the old version first if you want to install from this download. You can also upgrade via the Maintenance Tool but it needs to be run as administrator. I'm trying to rebuild the installer framework to work around it. WinXP/Vista/7/8/10 1.0.0-beta-2 SHA1: b6bcef3b28a88d80d474224861c8ab57e20bcf63 Mirrors Jedimark's Server (Singapore) Notes Note: Kaspersky AntiVirus is falsly flagging SleepyHead installer as malware. :( See here for the official announcement SleepyHead project is NOT affiliated in any way with ApneaBoard or Sleepyhead.be No Free & Open Source Software developer should have to endure that. SleepyHead SleepyHead Project has shut downĪfter repeated hostile takeover attempts, undermining, betrayal, and torrents of abuse, I have no desire to continue subjecting myself to working under those condtions. ![]() Български 简体中文 Deutsch English Español Suomi Français Italiano Nederlands Português Svenska
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