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Ahi readings vary with machine
#1
Ahi readings vary with machine
I am on vacation and using my backup machine.  
My airsense10 autoset is my regular machine and ahi varies between 1-2.  
My backup machine is s9autoset.  Using the s9 past 2 days with identical pressure and epr settings ahi day one 6.6 day two 4.4.
Not sure why?
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#2
RE: Ahi readings vary with machine
Different hours, different bed, different diet, all these things can change while on vacation and can affect your AHI in the short term. I wouldn't worry about it.
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#3
RE: Ahi readings vary with machine
Also different machines, having different components and different algorithms for responding to your breathing.  ResMed has a long history of continuous improvement which (sadly for those of us who get attached to stuff or who can't bear to throw stuff away) makes previous generations of devices obsolete.

Your S9 is a great machine for backup (much more so than my S8) but I would be more confident about the AirSense data. That being said, it is wise to pay close attention to the AHI.  As Walla Walla said, there are reasonable conditions that would cause fluctuations (umm, spikes I suppose is a better way to put it) in your AHI.  Don't let having a/some spike/s interfere with your vacation!
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#4
RE: Ahi readings vary with machine
All makes a lot of sense .  Thanks
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#5
RE: Ahi readings vary with machine
Yankees, as you know different apnea events require different responses. If obstructive, increase pressure, if CA, it is probably sleep disturbance or lower pressure. Enjoy the vacation. I usually just take my regular machine along.
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#6
RE: Ahi readings vary with machine
Will check it out sleeprider.  I thought you used your backup machine when you travel?
Thanks for all your advice!
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#7
RE: Ahi readings vary with machine
(05-24-2018, 09:55 PM)yankees123 Wrote: Will check it out sleeprider.  I thought you used your backup machine when you travel?
Thanks for all your advice!

He does travel with his backup cord though. Laugh-a-lot
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Posting Charts
Beginner's Guide to SleepyHead
Mask Primer
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Advisory Members serve as an "Advisory Committee" to help shape Apnea Board's rules & policies.

Membership in the Advisory Members group does not imply medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.



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#8
RE: Ahi readings vary with machine
(05-24-2018, 09:55 PM)yankees123 Wrote: Will check it out sleeprider.  I thought you used your backup machine when you travel?
Thanks for all your advice!

(05-24-2018, 10:43 PM)Walla Walla Wrote:
(05-24-2018, 09:55 PM)yankees123 Wrote: Will check it out sleeprider.  I thought you used your backup machine when you travel?
Thanks for all your advice!

He does travel with his backup cord though. Laugh-a-lot

My last trip was with my primary machine, and the AC adapter malfunctioned on the last day.  I use the Philips backup on the motorcycle so it can operate on a battery.  The SD card slot on the Philips no longer holds a card in place, so I tend not to use it much.
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#9
RE: Ahi readings vary with machine
(05-25-2018, 07:46 AM)Sleeprider Wrote: <snip>
...  The SD card slot on the Philips no longer holds a card in place, so I tend not to use it much.

Sleeprider, one word: Gorilla Tape! Dielaughing
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#10
RE: Ahi readings vary with machine
I wouldn't worry what the AHI is while on holiday, as long as you feel fine, which you might not if you drink and stuff yourself full of food you don't normally eat, not to mention all the extra drink if you drink.
Enjoy your holiday and worry about your AHI when you get home and back on your normal machine.   Cool
>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<
I am NOT a doctor.  I try to help, but do not take what I say as medical advice.

I am just a long term user of c.p.a.p. and therefore I have some experience in using these machines and equipment.

However, I am NOT an expert, so advice given should be taken as given in good faith only and NOT medical advice.

Every journey, however large or small starts with the first step.   Coffee
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