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Tidal Volume and Auto machine
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DumfriesDik Offline

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Posts: 71
Joined: Nov 2015

Machine: Resmed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: Philips Respironics Nuance
Humidifier: none
CPAP Pressure: auto 4 - 20
CPAP Software: SleepyHead

Other Comments: 2010 - 2015 S8 Escape; 2015 - Date S9 Autoset

Sex: Male
Location: SW Scotland

Post: #1
Tidal Volume and Auto machine
Out of interest, does using an auto CPAP increase your tidal volume?

I have only been using an auto machine for three days and now that I can see my data (at long last!) I see my tidal volume is increasing slightly.

Pretty sure my sleep has increased as well by about an hour since changing machines (S8 escape to S9 autset).
11-23-2015 01:27 AM
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Sleeprider Offline
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Posts: 3,866
Joined: Dec 2014

Machine: Resmed Aircurve 10 Vauto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: Resmed Climateline
CPAP Pressure: Auto Bilevel 18/9, PS 3
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Where they make Respironics

Post: #2
RE: Tidal Volume and Auto machine
To the extent that positive pressure can open airways, it may help a bit with tidal volume. Bilevel therapy and to some extent EPR (exhale pressure relief) can definitely increase tidal volume by increasing pressure during inhalation and decreasing pressure during exhale. The ability of bilevel to improve ventilation is one of the strategies used for patients that require that benefit.

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11-23-2015 08:36 AM
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