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When is it a matter of concern?
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Sleepster Offline
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Posts: 4,988
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #11
RE: When is it a matter of concern?
(09-08-2013 06:59 PM)me50 Wrote:  I have a "new" DME and therapist I will see next Tuesday and hopefully much more helpful!

Talk about possible mask leaks. Do you ever wake up with your mask ajar and leaking?

Sleepster
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09-08-2013 07:52 PM
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me50 Offline

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Posts: 2,559
Joined: Aug 2013

Machine: resmed S9 VPAP Auto
Mask Type: Nasal mask
Mask Make & Model: Wisp and Silicone Head gear
Humidifier: resmed H5i
CPAP Pressure: 18/8
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: USA

Post: #12
RE: When is it a matter of concern?
(09-08-2013 07:48 PM)vsheline Wrote:  
(09-08-2013 06:48 PM)Sleepster Wrote:  
(09-08-2013 06:18 PM)me50 Wrote:  what does this tell me please?

median leak o.o
95% 0.0
maximum 33.0

apnea index 0.6
obstructive 0.5
hypopnea 1.0
AHI 1.6

...
apnea index 0.6 + obstructive 0.5 + hypopnea 1.0 + unknown apneas = AHI 1.6.

Hi Sleepster,

I think the equations would be as follows:

(total) Apnea Index 0.6 + Hypopnea Index 1.0 = AHI 1.6

(total) Apnea Index 0.6 = Obstructive Apnea Index 0.5 + Central Apnea Index + Unknown-type Apnea Index

Solving for the sum of Central Apnea Index + Unknown-type Apnea Index:

Central Apnea Index + Unknown-type Apnea Index = total Apnea Index 0.6 - Obstructive Apnea Index 0.5 = 0.1

So, if we presume the Unknown-type Apnea Index is zero (me50 didn't say what it was) then the Central Apnea Index would be 0.1

Unknown-type Apnea events are defined as apneas occurring when our leak rate is too high (typically well above 24 L/min, I think, like perhaps above 30 L/min) for the machine to tell whether they are obstructive or central. I think these unknown-type apnea events are not included in the Obstructive Apnea Index nor in the Central Apnea Index but are included in the total Apnea Index.

Take care,
--- Vaughn

Hi Vaughn

I couldn't tell you because the statistics portion of the report didn't tell me. It seems that when I look at the statistics by week, it all remains constant as far as the AHI's go. So, maybe there is a problem with my mask after all. I think I will put in a new seal today and see if it is better tonight. Thanks so much.
(This post was last modified: 09-08-2013 08:15 PM by me50.)
09-08-2013 08:05 PM
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me50 Offline

Advisory Members

Posts: 2,559
Joined: Aug 2013

Machine: resmed S9 VPAP Auto
Mask Type: Nasal mask
Mask Make & Model: Wisp and Silicone Head gear
Humidifier: resmed H5i
CPAP Pressure: 18/8
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: USA

Post: #13
RE: When is it a matter of concern?
(09-08-2013 07:52 PM)Sleepster Wrote:  
(09-08-2013 06:59 PM)me50 Wrote:  I have a "new" DME and therapist I will see next Tuesday and hopefully much more helpful!

Talk about possible mask leaks. Do you ever wake up with your mask ajar and leaking?

not that I am aware of. If my mask were slightly ajar, I probably wouldn't notice it; if it were really ajar, I would. I changed my tubing and cushion yesterday and I think I had a better night for leaks at least.
09-09-2013 11:41 AM
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