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Did I die last night, or is there a machine problem?
#1
Did I die last night, or is there a machine problem?
            Here are two graphs from last night.  One is for the full night, the other is for two narrow time periods involving the cessation of all data from approximately 1:36 to 1:38 a.m. and 1:41 to 1:42 a.m. with very shallow breathing in between.  Is this a problem with my breathing, or is it with the CPAP machine or maybe the SD card?

I've added another which now appears as the first graph.  It's for a bit over an hour, just before 4 a.m. until around 5 a.m.:
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#2
RE: Did I die last night, or is there a machine problem?
(02-03-2025, 12:27 PM)hypopneac Wrote: Is this a problem with my breathing,...

It cannot be your breathing; the system should report the values regardless.
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#3
RE: Did I die last night, or is there a machine problem?
We don't see the left panel data, so info is missing. Your leaks are pretty high all night, which affects accuracy in the data. Get these leaks fixed.

Do you have auto stop active? High leaks may turn on the auto stop.
Mask Primer

Positional Apnea

Attach OSCAR, etc.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#4
RE: Did I die last night, or is there a machine problem?
my guess is you're still alive so try one of the other answers. LOL....
First Diagnosed July 1990

MSgt (E-7) USAF (Medic)
Retired 1968-1990
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#5
RE: Did I die last night, or is there a machine problem?
Thanks, Sarge.  You're good for a laugh a minute.  But since you were a medic, if I die again I'll make sure to call you.   Smile
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#6
RE: Did I die last night, or is there a machine problem?
The leaks are high enough to interfere with the flow sensor detecting breathing or mask pressure. Solve the leaks and the graphs will normalize. It would help if you included the detailed data (left panel) in your screenshots.
Sleeprider
Apnea Board Moderator
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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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#7
RE: Did I die last night, or is there a machine problem?
    My ResMed 11 does not have an option called "auto stop."  It does have SmartStop as well as SmartStart; neither one is enabled.

A graph with the left panel data included is now attached.  Thanks.
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#8
RE: Did I die last night, or is there a machine problem?
Smart stop was what I was referring to.

You're getting mask leaks where the leak pattern is spikey, and mouth leaks where the broad flatter pattern shows.

Next chart, can you collapse the calendar? There's still left panel data hiding.

Thanks.
Mask Primer

Positional Apnea

Attach OSCAR, etc.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#9
RE: Did I die last night, or is there a machine problem?
    Thanks for the explanation about the mask and mouth leaks.

Here's a full graph with the calendar suppressed.
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#10
RE: Did I die last night, or is there a machine problem?
I think we might learn something by looking at 3-4 minute zooms of the flow rate chart to see what the respiratory wave looks like up-close. What I see is that that the flow rate is inversely proportional to leaks. When leaks are controlled, the respiration looks normal, when leaks are high the flow rate is very low. Inspiration time is longer than expiration on the statistics, so a zoom will help us determine what is really going on in that regard, but I strongly suspect a fairly significant flow limitation. If you want to include a CA event in the zoom, we may be able to determine if that is obstructive flow limitation or a real CA as well. Your 240 mL tidal volume is likely inaccurate due to leaks, but that would be extremely low for any male unless you are like 4-1/2 feet tall. I see a strong need here for a full-face mask, perhaps the Resmed Airfit F40 instead of the N30i, and possibly bilevel to overcome the flow limits.
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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