03-29-2024, 02:19 PM
RE: Flow rate kink at end of exhalation
(03-28-2024, 03:08 PM)ahuman Wrote: Do others not have this pattern?
I do! Here's an example.
By the way, what is "trigger" in a CPAP machine?
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BigWing
Posts: 115 Threads: 7 Joined: Dec 2023
Machine: ResMed Airsense 10 Autoset I do! Here's an example. By the way, what is "trigger" in a CPAP machine? 
BigWing
Posts: 115 Threads: 7 Joined: Dec 2023
Machine: ResMed Airsense 10 Autoset
03-29-2024, 05:36 PM
RE: Flow rate kink at end of exhalation
According to TheLankyLefty27, these 'kinks' are nothing to worry about - they are apparently called "cardiogenic oscillations" or "cardioballistic artifacts". Basically, your heart beats are being picked up in your PAP device. Here's a link to his video about them:
https://www.youtube.com/watch?v=1BLhSgsEvJk Here's a scientific paper on the topic entitled "Pulmonary blood flow generates cardiogenic oscillations": https://pubmed.ncbi.nlm.nih.gov/19439200/
Sleeprider
Wiki Editor 
Posts: 28,382 Threads: 88 Joined: Dec 2014
Machine: Resmed Aircurve 10 VAuto
03-29-2024, 06:50 PM
RE: Flow rate kink at end of exhalation
The cardioballistic or cardiogenic osculations look just a bit different. Not saying it could not be CB, but here is our take on it in the Wiki. https://www.apneaboard.com/wiki/index.ph...cillations That's not really what I'm seeing.
Sleeprider
Apnea Board Moderator www.ApneaBoard.com ____________________________________________ Download OSCAR Software Soft Cervical Collar Optimizing Therapy Organize your OSCAR Charts Attaching Files Mask Primer How To Deal With Equipment Supplier 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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