(11-28-2013, 06:45 PM)zonk Wrote:Where the heck did you find that Zonk? (lol)
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Should I be alarmed that oxygen drops very low while sleeping?
11-28-2013, 07:09 PM
To err is human, but to really mess things up, you need a computer.
11-28-2013, 07:36 PM
(11-28-2013, 03:33 PM)Emilo Wrote: Hi everyone,
11-28-2013, 08:24 PM
I think a pulmologist is only warranted if the O2 is dipping that low while awake. Or if the waking O2 is lower than norm.
What is probably happening is you, Emilio, are having either really long events or a cluster of events based on position.
Your profile says you have an auto but you have it set to a single pressure of 7. Why aren't you using it in the autoPAP mode?
One suggestion is to download SleepyHead and view your data. You can download it from this site.
Viewing the machine's data would tell you what is going on at the same time as the O2 drops.
In the meantime, it is time to see your sleep doc. It is not uncommon for us to need our pressure adjusted after the first few months or year.
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11-29-2013, 07:12 AM
Before you take the time and expense to see a pulmonologist, you should explore the avenues I suggested - check with your sleep doctor on how your mask is or isn't fitting, the pressure settings, etc and see if your oxymeter is actually producing noise rather than hard data - if you don't tape it (described elsewhere in the forum) correctly, it will shift and produce noise and data drops. I agree that tying it to sleepyhead would be a very good idea, since then you can correlate the O2 drops to SA events, and thereby eliminate the noise issue.
I am intrigued by why you have a fixed pressure on an auto device, and for that matter why such a low fixed pressure, and I suspect that the real problem lies there and in mask fittings. Unless you are seeing massive drops in O2sats during the day, I don't think a lung-thumper is the first type of doctor for you to see. You really should go back to your prescribing doctor first and present the problem to him.
11-29-2013, 02:32 PM
(11-28-2013, 05:34 PM)zonk Wrote: Was the O2 drop while using nasal mask or full face mask? Full face mask allows you to breathe through nose or mouth so if nose get stuffy, you can still breathe breathe through the mouth and get some treatment
Zonk, I was wearing the Wisp nasal mask with tape over my mouth (chinstrap did nothing but make me more uncomfortable and air still went out my mouth). I had a lot of luck with tape and nasal pillows/nasal mask because I can sleep so much better than with the FF mask. In the past few months, I've been waking with one nostril plugged and I take my mask off and continue to sleep without it. Honestly, it may sound stupid, but I always assumed I would wake if I couldn't breathe well, not have huge dips in oxygen and HR spikes but NOT WAKE UP!
Regarding Sleepyhead, I just uploaded all my data for the first time ~ over a year ~ and I'm not sure how to read the information. This is what it said last night while wearing a FULL FACE mask:
Date Sleep Wake Hours
11/28/2013 22:13 05:26 07:13:13
AHIApnea / Hypopnea Index 4.85
ObstructiveObstructive Apnea 2.22
Clear AirwayClear Airway Apnea 0.42
RERAResp. Effort Related Arousal 1.11
VSnore2Vibratory Snore #2 0.00
PB/CSRPeriodic Breathing 0.45%
I just looked and it seems my machine is fixed at 5.5 (not the 7 I thought) ~ should this be increased? Should this be auto? Mu humidity is at 3, but the air feels dry. However, when I wake up with stuffy sinuses, there is usually "dew" on my nose, as if the water collected on the tip of my nose because it couldn't get through the stuffiness. I don't know! Thank you again for your help, any help reading this info is appreciated!
11-29-2013, 02:51 PM
(11-28-2013, 04:45 PM)DocWils Wrote: It would help if you published the charts here, as it would be easier to see what is going on - your description does not give enough information to tell if you are seeing noise or something real, but from all your descriptions of your troubles with your mask, et al, my first thought is to say you need to have a look at what is happening with your mask and CPAP, together with professional guidance, and address the sO2sats in relation to that. Nonetheless, post your current charts here, so if it IS noise, it can be eliminated from the other concerns.
Thanks, DocWils! The oximeter software is so rudimentary that I couldn't figure out how to save the file to post here ~ any ideas?
11-29-2013, 02:55 PM
(11-28-2013, 06:34 PM)mdh235 Wrote:(11-28-2013, 03:33 PM)Emilo Wrote: Hi everyone,
Thanks for the reply. Honestly, I don't think it is a bad reading. Based on how I feel, it makes sense. And the times that I dipped very low make sense in terms of when I woke up. Also, last night, with the full face mask, I didn't go below 90%. Mind you, I was up most of the night because I think I had some paranoia about the oxygen dip. I can't win with this apnea! The mask keeps me awake, the apnea keeps me awake, the paranoia keeps me awake!
11-29-2013, 03:01 PM
(11-28-2013, 08:24 PM)PaulaO2 Wrote: I think a pulmologist is only warranted if the O2 is dipping that low while awake. Or if the waking O2 is lower than norm.
Thanks, Paula! I think my machine is set to 5.5 fixed ~ should I adjust it myself before I see the sleep doc? I put all my date on Sleepyhead, I'm just not sure how to interpret what is happening to me from the graphs. Anything in particular I should look for. Any time I've seen a sleep doc, the only thing they say is "Your AHI isn't bad" and nothing else gets done.
11-29-2013, 03:15 PM
What pressure was decided during your sleep study?
(11-29-2013, 07:12 AM)DocWils Wrote:
The first major drop in oxygen corresponds on Sleepyhead with a spike in insp. and exp. volume, the second drop corresponds with a huge spike in tidal volume and minute vent. and AHI, as well as being the same time I took my mask off... so I assume it's not noise?
I don't know! They didn't tell me anything ~ I thought they said 7, but not sure. I hate doctors.
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