Hello Guest, Welcome to Apnea Board !
As a guest, you are limited to certain areas of the board and there are some features you can't use.
To post a message, you must create a free account using a valid email address.

or Create an Account


New Posts   Today's Posts

3 months with CPAP and still choking (charts included)
#1
3 months with CPAP and still choking (charts included)
Recently almost choke to death while in sleep.

Sleep study shown 0 AHI, 7.4 RDI, 8.7 arousal index and 2.7 REPA index.
I was prescribed APAP with pressure ramping up to 7 cm.
Sleep study also states there's a mild upper airway resistance syndrome.
OSCAR shows similar results with AHI below 1 and it's mostly clear airway or hypopnea and rarely any OSA events.


Attached 3 month summary and daily chart when choking incident happened.


Attached Files Thumbnail(s)
           
Post Reply Post Reply






Donate to Apnea Board  
#2
RE: 2 months with CPAP and still choking (charts included)
Welcome to the forum.

Could you post a copy of your redacted sleep study, please.
So there is no misunderstanding describe what you mean by 'Almost choke to death in sleep'.
Also, provide a zoomed-in segment of your choking episode. Let's see if we can tell what happened. Include full night screenshot of the night it happened.

Based on the UARS and the Flow Limits you want to increase EPR to 2, and maybe later to 3.
It is very important to know how you feel, and how you perceive your breathing and the changes to settings
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
OSCAR

Download OSCAR
New to Apnea? Helpful tips to ensure success
Soft Cervical Collar
Mask Primer
Dealing with a DME
Organize Charts
Attaching Charts

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.
Post Reply Post Reply
#3
RE: 3 months with CPAP and still choking (charts included)
I haven't had any issues during sleep study.
Issue apparently became more often after I started using CPAP device.
I'm getting up at night during sleep because of choking.


Attaching zoomed in version and sleep study with 2 replies due to 3 attachment per post limitation.

Sleep study continued.


Attached Files Thumbnail(s)
                       
Post Reply Post Reply
#4
RE: 3 months with CPAP and still choking (charts included)
1 more zoom, try 2 minute zoom, we need to see each individual breath waveform to see what is going on.
In detail describe your choking, trouble inhaling? exhaling? what started it? what stopped it? How does the CPAP feel to you?We have to understand what you are sensing to help you. Your numbers are excellent, it is how you feel that makes a difference in what we suggest.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
OSCAR

Download OSCAR
New to Apnea? Helpful tips to ensure success
Soft Cervical Collar
Mask Primer
Dealing with a DME
Organize Charts
Attaching Charts

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.
Post Reply Post Reply






Donate to Apnea Board  
#5
RE: 3 months with CPAP and still choking (charts included)
Attached one more screenshot at 2 minute mark in extra zoom.
Can't attach more because of attachment quota.

I'd say I have trouble inhaling when I choke.
Same feeling when some food is stuck in your throat or when you're drowning.

It starts all of the sudden after about an hour of sleep.
Maybe it has something to do with prescribed pressure that's too high for me.

But I had the same problem before which is why I got CPAP device in the first place.

Some medical background:
I have deviated nasal septum and congenital diaphragmatic hernia but ENT doctor said it's nothing to be worry about.
Sleep doctor thinks the same and insists I just have a snoring problem.


Attached Files Thumbnail(s)
   
Post Reply Post Reply
#6
RE: 3 months with CPAP and still choking (charts included)
That is a 20 minute window. See the waveform in the OSCAR logo? That is what you want to see as the wave form in the flow rate chart.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
OSCAR

Download OSCAR
New to Apnea? Helpful tips to ensure success
Soft Cervical Collar
Mask Primer
Dealing with a DME
Organize Charts
Attaching Charts

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.
Post Reply Post Reply
#7
RE: 3 months with CPAP and still choking (charts included)
look into laryngospasms.
Post Reply Post Reply






Donate to Apnea Board  
#8
RE: 3 months with CPAP and still choking (charts included)
acid reflux, common with apneacs, could be a cause as well.
Post Reply Post Reply
#9
RE: 3 months with CPAP and still choking (charts included)
I'm adding 4 second zoom in previews.
I couldn't attach any more because of attachment quota so adding external image server
imgur.com/a/3H7QVhn

I doubt acid reflux is a cause since I don't experience any issues of pain or burning in my chest.
On another hand it's not uncommon for me to eat before I go to sleep late at night.

Laryngospasm should have been noticed by ENT doctor but nothing was found.
Post Reply Post Reply
#10
RE: 3 months with CPAP and still choking (charts included)
That is a 4 minute and 18 second view.  I can see some minor flow limitations but nothing that should be bothersome at all.  Certainly no choking.
FYI a scale change to +/-60 and setting the dotted line at zero would help to differentiate inhale and exhale.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
OSCAR

Download OSCAR
New to Apnea? Helpful tips to ensure success
Soft Cervical Collar
Mask Primer
Dealing with a DME
Organize Charts
Attaching Charts

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.
Post Reply Post Reply






Donate to Apnea Board  


Possibly Related Threads...
Thread Author Replies Views Last Post
  New to CPAP (~2 months), still struggling GooseRK 24 719 10-07-2020, 08:52 AM
Last Post: Sleeprider
  2 Months on CPAP, Need Advice on Lowering AHI llyons1997 5 311 09-03-2020, 09:12 PM
Last Post: bonjour
  Fragmented Sleep, FLs, Suspected UARS, REM Related. 5 Months of Optimization + EERS. pineh 9 351 08-19-2020, 08:23 AM
Last Post: Sleeprider
  5 Months In and Suggestions Welcome conankun 1 161 08-16-2020, 08:36 PM
Last Post: Sleeprider
  Back on cpap after some months off. Vauto at Post #71 redlegs 99 2,685 08-14-2020, 03:00 PM
Last Post: Sleeprider
  Just looking to see how things are going - new charts Davidacarrick 7 201 08-11-2020, 09:00 AM
Last Post: Sleeprider
  8 months on CPAP, AHI varies, help w / OSCAR data jleica 2 201 08-01-2020, 04:54 PM
Last Post: jleica


New Posts   Today's Posts






About Apnea Board

Apnea Board is an educational web site designed to empower Sleep Apnea patients.