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[Symptoms] Fake or real OA - back sleep and diaphragm breathing
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jm54 Offline


Posts: 11
Joined: Aug 2016

Machine: Philips Dreamstation
Mask Type: Nasal mask
Mask Make & Model: Philips Wisp
Humidifier: Dreamstation
CPAP Pressure: 8 -18
CPAP Software: SleepyHead

Other Comments: Oximeter CMS50EW

Sex: Male
Location: Hong Kong

Post: #1
Question Fake or real OA - back sleep and diaphragm breathing
Though my AHI 3.7 last night was the ever best in 1 month treatment, I was half awake for the whole night. I purposely slept on my back and used diaphragm breathing at around 3am for around 30 minutes. Most of the CA and OA events were recorded during this period. Yet the float rate, tidal volume and SpO2 were the highest. There was no unintentional leak. I felt great for that 30 minutes. There were intermittent breaks during diaphram breathing which I think is normal.

Are the CA and OA real? Or the higher AHI from back sleep and diaphram breathing something no need to worry about?

09-15-2016 07:22 PM
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chill Offline

Advisory Members

Posts: 774
Joined: Mar 2016

Machine: DreamStation X500
Mask Type: Full face mask
Mask Make & Model: Walk-in Mask Closet
Humidifier: DreamStation
CPAP Pressure: 13-16
CPAP Software: SleepyHead

Other Comments: CPAP True Believer

Sex: Male
Location: Vancouver, Canada

Post: #2
RE: Fake or real OA - back sleep and diaphragm breathing
A higher AHI when on you back is common. If you were awake or partially awake, then the events are not real.
09-15-2016 07:46 PM
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