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Help with leak terminology and no flow rate data
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yankees123 Offline

Members

Posts: 8
Joined: Feb 2016

Machine: F&p icon+
Mask Type: Full face mask
Mask Make & Model: Quatro Air Med
Humidifier: F&P icon auto +
CPAP Pressure: 8-15
CPAP Software: SleepyHead Other Software

Other Comments:

Sex: Male
Location:

Post: #1
Help with leak terminology and no flow rate data
Can someone explain what it means when it says. Time over leak redline. According to Fisher & Paychel over 60l/min is considered large leak. Also I do not get a graph showing flow rate data. According to Sleepyhead software I should get this graph if I keep the usb stick in the machine overnight, but I have never seen this data. I have a F&P icon + auto cpap machine. Really appreciate anyone who can help.
03-02-2016 09:02 AM
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kaiasgram Offline

Advisory Members

Posts: 242
Joined: Aug 2013

Machine: S9 VPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Aloha
Humidifier: H5i
CPAP Pressure: 8-10
CPAP Software: SleepyHead

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Sex: Female
Location: Northern California

Post: #2
RE: Help with leak terminology and no flow rate data
I'm not familiar with your machine, but assuming it records high-res data to generate a Flow Rate graph (SleepyHead can only show what your machine records):

Be sure you have selected to display the Flow Rate graph, either in Preferences or click on the lower right corner (Events graph) on the daily view page to hide or unhide specific graphs.
03-03-2016 03:17 AM
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DeepBreathing Offline
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Posts: 2,296
Joined: Sep 2013

Machine: Resmed S9 VPAP Adapt
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: Resmed H5i
CPAP Pressure: EPAP: 9 - 15 PS: 3 - 10
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Perth, Western Australia

Post: #3
RE: Help with leak terminology and no flow rate data
G'day Yankee123, welcome to the forum.

The large leak is a measure of when your mask is leaking so much the machine can't compensate for it. The time over the redline is just that - the amount of time you exceeded that limit during the night. A few minutes is no big deal, but if you're above the leak for a significant time then you need to take steps to reduce the leaks.

At the bottom right corner of the daily screen you will see a pop-up menu which allows you to select or de-select the chart you want displayed. Check that the leak graph is turned on.

DeepBreathing
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03-03-2016 06:53 AM
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yankees123 Offline

Members

Posts: 8
Joined: Feb 2016

Machine: F&p icon+
Mask Type: Full face mask
Mask Make & Model: Quatro Air Med
Humidifier: F&P icon auto +
CPAP Pressure: 8-15
CPAP Software: SleepyHead Other Software

Other Comments:

Sex: Male
Location:

Post: #4
RE: Help with leak terminology and no flow rate data
(03-03-2016 06:53 AM)DeepBreathing Wrote:  G'day Yankee123, welcome to the forum.

The large leak is a measure of when your mask is leaking so much the machine can't compensate for it. The time over the redline is just that - the amount of time you exceeded that limit during the night. A few minutes is no big deal, but if you're above the leak for a significant time then you need to take steps to reduce the leaks.

At the bottom right corner of the daily screen you will see a pop-up menu which allows you to select or de-select the chart you want displayed. Check that the leak graph is turned on.


Thank you for all your help.
(This post was last modified: 03-03-2016 12:58 PM by yankees123.)
03-03-2016 12:57 PM
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Inspired Offline

Preferred Members

Posts: 113
Joined: Dec 2015

Machine: resmed airsense 10 autoset
Mask Type: Full face mask
Mask Make & Model: F & P Simplus
Humidifier: HumidAir heated humidifier
CPAP Pressure: 8-12
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: planet earth

Post: #5
RE: Help with leak terminology and no flow rate data
Welcome, Yankee 123,
Are you using Sleepyhead Software? If not, download it from this forum after reading up on it first (see "Sleepyhead" at the top of this page)
and you will get the data you need.
If you are using it already, look at your "Daily" page, on the left hand side under "Statistics", at the bottom of the list is "Time over Leak Redline". It is my understanding that if it is over 25 to 30 you are leaking so much that the AHI data is not valid. You must have leaks controlled before the software can correctly interpret the data. On good days mine is between 1 and 10. Today it was 16.9 so my data is valid but I still aim to get that leak rate lower.
I am no expert, this is just what I've read on this forum. Keep on reading and you will get all the info you need from the fine folks here.

Inspired
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03-03-2016 05:12 PM
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