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Dr says I have to have new sleep study to change titration
Ok.... Now let's see what your results actually are. How many oa's, ca's and so forth. Average & 90 pressure, leak numbers. You'll need Sleepyhead to do that.

It's likely the CA's went up just because you have increased pressure. That's one reason for leaving things alone now for a few days. But I lean on the side of a few days, not a few weeks as others might. It mostly depends on your unique experience and how you're doing.

I also do not subscribe to the open all the way theory. Yes, it should be fine to do that and it is, except for when it isn't. So you're at a good range right now, so let's see what happens.
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This was the info I was just sent from my doctors office.

On the night of February 26th and 27th, the patient undergoes nocturnal
oximetry with auto CPAP with 6-8 cm of water pressure. Test is undertaken
to evaluate obstructive sleep apnea and response to therapy.

Review of the tracing reveals satisfactory acquisition of data. Baseline
oxygen saturation is about 93-94%, lowest oxygen saturation recorded was
79%. The patient has 10 events where there is a 3% or more decline in
oxygen saturation for 3 minutes' duration or longer and there are 218 other
events of less than 3 minutes' duration. This yields an event index for
those events greater than 10 seconds' duration of 26.6. The patient spends
32.7% of the night with oxygen saturation less than 90%.

IMPRESSION: Nocturnal oximetry demonstrates nocturnal hypoxemia and
moderately elevated event index. Repeated CPAP titration is recommended.
Cindy lots-o-coffee
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Ordered a CMS-50F pulse oximeter. Going to track my oxygen level with my AHI's for a few nights. I have an appointment with my new primary doctor tomorrow and going to see if she will write me a referral for a different pulmonologist. One that will work with me changing pressures without ordering an expensive sleep study.
What reports out of sleepyhead do you think I should bring to her.
Cindy lots-o-coffee
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