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Shouldn't flow limit always precede OA events?
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Shouldn't flow limit always precede OA events?
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NoddingHacker
Posts: 35 Threads: 25 Joined: Apr 2020
Machine: PrismaSmart
12-03-2023, 03:39 PM
Shouldn't flow limit always precede OA events?
Mechanically, obstructive apneas events introduce greater airway resistance (i.e. flow limitation). So, it should follow any OA event would follow an increase in flow limit. However, that is not the case when I am looking at my data.
Can someone explain this? 
Sleeprider
Wiki Editor 
Posts: 28,575 Threads: 88 Joined: Dec 2014
Machine: Resmed Aircurve 10 VAuto
12-03-2023, 04:35 PM
RE: Shouldn't flow limit always precede OA events?
It would help to look at an example, however a complete obstruction can and does occur without prior flow limitation. OA normally initiates on exhale, and the obstruction prevents the next breath in spite of inspiratory effort.
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.
Pablomc
Posts: 1 Threads: 0 Joined: Jul 2024
Machine: Airsense11
07-24-2024, 09:09 AM
RE: Shouldn't flow limit always precede OA events?
So would the flow limit show up during the event? Should there at least be flow limit showing at some point around the OA?
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Shouldn't flow limit always precede OA events?
