Support Apnea Board & OSCAR  

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<big>[https://apneuvereniging.miraheze.org/wiki/OSCAR_Help Nederlands]  [https://apneuvereniging.miraheze.org/wiki/OSCAR_Hilfe Deutsch]  [https://apneuvereniging.miraheze.org/wiki/Pomoc_OSCAR Polski] [https://apneuvereniging.miraheze.org/wiki/OSCAR_Hj%C3%A4lp Svenska] </big>
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{{OSCAR}}
  
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{{OSCAR}}
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==<big><big>'''OSCAR''' - the Open Source CPAP Analysis Reporter</big></big>==
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'''OSCAR''' is software compatible with Windows, Mac and Linux operating systems, developed for reviewing and exploring data produced by supported CPAP, bilevel, ventilators and related machines used in the treatment of sleep apnea. Oscar requires that data is collected on a SD card which MUST be inserted into the PAP machine during use to record detailed data.
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<br />
  
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''This is a work in progress.  Where a link is not present indicates the content intended to be placed in the article.''
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== Introduction ==
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<!--The analysis of the respiratory waveform is the heart and strength of OSCAR, whether it is reporting the results from the manufacturer or manually interpreting the displayed respiratory waveform, it is the core.<br />
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  ^ What exactly does this mean? -->
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* This help system is a work in progress.  Links shown in red indicate that the specific content is yet to be added to the wiki.
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* '''Background information''' about the program: [[About OSCAR|About]] OSCAR, OSCAR [[OSCAR Credits|Credits]] and OSCAR [[OSCAR Release Notes|Release Notes]].
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* The OSCAR program can be obtained free of charge from: [https://www.SleepFiles.com/OSCAR Official OSCAR Download Page]
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<!--
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* For a detailed discussion on the interpretation of your data see <span class="new-win">[[CPAP Data Interpretation]]</span>
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-->
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* '''Acknowledgement:''' Much of the material in this help system has been taken and/or adapted from <span class="new-win">[http://www.apneaboard.com/wiki/index.php?title=Beginner%27s_Guide_to_SleepyHead RobySue's Beginner's Guide to SleepyHead]</span>, with consent.
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<!--
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[[OSCAR temporary glossary page]]
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-->
  
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Introduction:
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== OSCAR - The Guide ==
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'''OSCAR''' - '''O'''pen '''S'''ource '''C'''PAP '''A'''nalysis '''R'''eporter
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For an excellent resource (from the OSCAR Project Manager, Gideon), here is the wiki article on how to use & interpret OSCAR's software results.
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The analysis of the respiratory waveform is the heart and strength of OSCAR, whether it is reporting the results from the manufacturer or Manually interpreting the displayed respiratory waveform, it is the core.
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It's called "OSCAR - The Guide", and can be found here:
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* <span class="new-win">[[OSCAR_-_The_Guide|OSCAR - The Guide]]</span>
  
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  1 [[OSCAR Installation]] and Data Migration Guide
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==  OSCAR Supported Machines and Devices ==
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The list of machines supported by OSCAR is expanding. Here is the list of currently compatible CPAP machines, oximeters, and sleep monitors:
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* [[OSCAR supported machines]]
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==  OSCAR Installation and Data Migration Guide ==
 
A discussion of downloading and installing OSCAR on your PC followed by a discussion of migrating data from a previous version or from SleepyHead.
 
A discussion of downloading and installing OSCAR on your PC followed by a discussion of migrating data from a previous version or from SleepyHead.
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* [[OSCAR Installation]]
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2  [[Running OSCAR for the first time]]
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== Run OSCAR for the first time ==
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A discussion of Creating a Profile (required) and importing data from your CPAPs SD Card.
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How to create a profile and import data
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* [[Running OSCAR for the first time]]
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== Basic OSCAR organization ==
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A description of the various windows in OSCAR and the available options.
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* [[OSCAR Organization - Basic Parts of the OSCAR Window|Basic Parts of the OSCAR Window]]
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* [[OSCAR Organization - Welcome Page|Welcome Page]]
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* [[OSCAR Organization - Profile Page|Profile Page]]
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* [[OSCAR Organization - Daily Page|Daily Page]]
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* [[OSCAR Organization - Overview Page|Overview Page]]
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* [[OSCAR Organization - Statistics Page|Statistics Page]]
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==OSCAR Chart Organization and preparing for Screen Shot==
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For a brief tutorial on the best way to arrange your OSCAR charts for review, follow this link:
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* [[OSCAR Chart Organization]]
  
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  3 Basic OSCAR Organization
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For advice on attaching charts and images to Apnea Board forums, follow this link:
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      3.1 Basic Parts of the OSCAR Window in All Views
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* [http://www.apneaboard.com/wiki/index.php?title=Attaching_Images_and_Files_on_Apnea_Board Attaching files to Apnea Board]
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          3.1.1 The View menu
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<!--
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          3.1.2 The Data menu
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=== OSCAR Overview screen ===
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      3.2 Parts of the Daily data window
 
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          3.2.1 The Calendar
 
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          3.2.2 The Left Sidebar
 
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          3.2.3 The daily detailed graphs
 
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4 OSCAR Basic data interpretation: Daily Detailed Data
 
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      4.1 Left Side Bar data---AHI and event data table
 
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'''AHI'''
 
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The Apnea–Hypopnea Index (AHI) is an index used to indicate the severity of sleep apnea. It is represented by the number of apnea and hypopnea events per hour of sleep. The apneas (pauses in breathing) must last for at least 10 seconds and are associated with a decrease in blood oxygenation. Combining AHI and oxygen desaturation gives an overall sleep apnea severity score that evaluates both number sleep disruptions and degree of oxygen desaturation (low blood level). The AHI is calculated by dividing the number of apnea events by the number of hours of sleep. With AHI, a lower number is better; any number under 5.0 is ideal. Your AHI number displayed in DreamMapper will fluctuate and change every day based on your breathing the night before. The AHI number displayed in DreamMapper will fluctuate and change every day based on your breathing the night before. Your goal is to obtain an AHI as close to 0.0 as possible. Any number under 5.0 is ideal
 
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'''Unclassified Apnea'''
 
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'''Obstructive'''
 
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An apnea is detected when there is an 80% reduction in airflow from a baseline for at least 10 seconds if there is no airflow detected for 10 seconds. During the apnea, one or more pressure test pulses are delivered by the device. The device evaluates the response of the patient to the test pulse(s) and assesses whether the apnea has occurred while the patient has a clear airway or an obstructed airway. The airway is determined to be clear if the pressure test pulse generates a significant amount of flow; otherwise the airway is determined to be obstructed. When the airway is obstructed then an Obstructed Airway Apnea event is recorded.
 
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What is a '''Hypopnea'''?
 
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An episode of overly shallow breathing or an abnormally low respiratory rate. Our auto algorithm establishes a baseline of patient flow based on a moving flow signal window. When your device detects a hypopnea as a 40% reduction in flow lasting at least 10 seconds, followed by a recovery breath, then a Hypopnea event is recorded.
 
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      4.2 Left Sidebar Data---Statistical Data chart
 
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          4.2.1 Statistical Leak Data
 
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      4.3 Important Daily Detailed Graphs
 
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          4.3.1 The Events Table
 
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What is an '''Apnea'''?
 
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An apnea is a pause in breathing, lasting 10 or more seconds.
 
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What is '''Clear Airway''' Apnea?
 
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An apnea is detected when there is an 80% reduction in airflow from a baseline for at least 10 seconds if there is no airflow detected for 10 seconds. During the apnea, one or more pressure test pulses are delivered (PR) by the device. The device evaluates the response of the patient to the test pulse(s) and assesses whether the apnea has occurred while the patient has a clear airway or an obstructed airway. The airway is determined to be clear if the pressure test pulse generates a significant amount of flow; otherwise the airway is determined to be obstructed. When the airway is clear then a Clear Airway Apnea event is recorded.
 
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'''Large Leak'''
 
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Philips CPAPs tolerate up to twice the intentional leaks. They compensate for this leak by adjusting the speed of the blower. Beyond the tolerance threshold, the DreamStation indicates that its detection is not reliable in terms of the increased level of non-intentional leaks. It then qualifies these leaks as large
 
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          4.3.2 The Flow Rate graph
 
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          4.3.3 The Pressure graph
 
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          4.3.4 The Leak Rate graph
 
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          4.3.5 The Snore graph
 
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          4.3.6 The Flow Limitation Graph
 
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          4.3.7 ALL OTHER GRAPHS
 
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      4.4 Advanced OSCAR graphs
 
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      4.5 The Flow Rate graph---a detailed look
 
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          4.5.1 Inspiration Expiration Ratio (I:E Ratio)
 
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          4.5.2 Robysue's Flow Rate Interpretation from Forum Posts
 
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      4.6 The Pressure graph---a detailed look
 
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          4.6.1 Common concerns that people have about their Pressure graph
 
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      4.7 The Leak Rate graph---a detailed look
 
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Depending on what machine you are using, the Leak Rate Graph will have either one or two graphs in it.
 
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ResMed machines report only the excess leak rate, which is simply called Leak in the OSCAR leak data. A ResMed user will see only one leak graph in the Leak Rate graph.
 
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All other major brands of data-capable CPAPs report Total Leaks, which include both the intentional leak rate for your mask at your pressure AND the excess leaks. In other words:
 
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Total Leak = Intentional Leak + Excess Leak
 
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OSCAR does a statistical analysis of the Total Leak data for non-ResMed machines to calculate an estimated excess leak rate and reports this estimated excess leak as Leak Rate. This means that users of NON-ResMed machines have two "leak" graphs in the Daily Detailed Data graphs: One for Total Leak (the raw data from the machine) and one for Leak (the OSCAR estimated excess leak rate).
 
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The top (gold) graph is the Total Leak Rate graph and the bottom (purple) graph is the Leak Rate graph, which shows the OSCAR estimated excess leak rate.
 
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          4.7.1 Defining Large Leaks
 
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Philips CPAPs tolerate up to twice the intentional leaks. They compensate for this leak by adjusting the speed of the blower. Beyond the tolerance threshold, the DreamStation indicates that its detection is not reliable in terms of the increased level of non-intentional leaks. It then qualifies these leaks as large
 
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          4.7.2 Part II: Are my leaks bad enough to worry about?
 
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              4.7.2.1 Great, Good, and Decent Enough Leak/Total Leak lines
 
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              4.7.2.2 Problematic Leak/Total Leak Lines
 
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              4.7.2.3 Bad and Horrible Leak/Total Leak Lines
 
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      4.8 The AHI Graph
 
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5 OSCAR Overview Data [b]Basic data interpretation
 
 
       5.1 Overview data
 
       5.1 Overview data
 
       5.2 The AHI graph
 
       5.2 The AHI graph
Line 88: Line 55:
 
       5.5 Leaks and Total Leak Overview
 
       5.5 Leaks and Total Leak Overview
 
       5.6 Peak Hourly AHI Overview
 
       5.6 Peak Hourly AHI Overview
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  6  OSCAR Statistics Data [b]Basic data interpretation
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* [[OSCAR Overview screen]]
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=== OSCAR Statistics screen ===
 
       6.1 Organization of the Statistics Page
 
       6.1 Organization of the Statistics Page
 
       6.2 A detailed look at the CPAP Statistics
 
       6.2 A detailed look at the CPAP Statistics
Line 96: Line 64:
 
           6.2.4 Pressure Statistics
 
           6.2.4 Pressure Statistics
 
           6.2.5 Bugs in the CPAP Statistics data
 
           6.2.5 Bugs in the CPAP Statistics data
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7  OSCAR Important preferences settings
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*[[OSCAR Statistics screen]]
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      7.1 The Import panel
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-->
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      7.2 The CPAP panel
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==OSCAR Preferences==
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          7.2.1 CPAP clock drift
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To learn about the various changes you can make to the setup of OSCAR, see
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          7.2.2 Show Leak Redline
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* [[OSCAR Preferences]]
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          7.2.3 A detailed look at the Show Leak Redline option
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<!--  This duplicates a section above
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      7.3 The Graphs panel
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== OSCAR Supported PAP Devices ==
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      7.4 The General panel
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* [[OSCAR supported machines]]
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      7.5 The Appearance panel
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A list of CPAP/BiPAP machines that are supported by OSCAR  -->
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8  OSCAR Leaks
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<!-- it would be good to get the machines, oximeters and sleep monitors all on the same page. On the To Do list  -->
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      8.1 Difference between Total Leak Rate and Leak Rate
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== OSCAR Troubleshooting ==
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      8.2 Definition of Large Leak
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Having trouble with OSCAR? You may find the answer here:  
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      8.3 Perfect Leak/Total Lines
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* [[Oscar Troubleshooting]]
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      8.4 Good and Decent Enough Leak/Total Leak lines
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== International OSCAR Help ==
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      8.5 Problematic, Bad, and Horrible Leak Lines
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''Languages for OSCAR'' -->
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      8.6 Mouth Breathing and Other Causes of Leaks
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* [[International OSCAR Help]]
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      8.7 Annoying Leaks
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* [[Translators|List of Languages and Translators]]
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      8.8 Why are Large Leaks an Issue?
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<br />
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Philips CPAPs tolerate up to twice the intentional leaks. They compensate for this leak by adjusting the speed of the blower. Beyond the tolerance threshold, the DreamStation indicates that its detection is not reliable in terms of the increased level of non-intentional leaks. It then qualifies these leaks as large.
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----------------------------------
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9  OSCAR Beyond AHI: Apneas and Hypopneas in the Flow Rate graph
 
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10 OSCAR Snoring Data
 
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11 OSCAR Flow Limitations
 
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      11.1 OSCAR Flow Limitation
 
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      11.2 Examples of respiratory wave form abnormalities including Flow Limitation
 
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      11.3 OSCAR Flow Limitation Example (Resmed)
 
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12 [[OSCAR supported machines]]
 
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A list of machines that are supported by OSCAR
 

Latest revision as of 17:32, 4 April 2024

Full-48.png
This article is part of the official OSCAR software project. (OSCAR Help)

Afrikaans / في الصفحة / български / 中国 / 臺灣 / čeština/ Dansk / Deutsch / Ελληνικά / Español / Filipino / Français / עברית / Magyar / Italiano / 日本語 / 한국어 / Nederlands / Norsk / Polskie / Português / Română / Pусский / Suomalainen / Svenska / ภาษาไทย / Türkçe
--> Do not use these buttons when you are on a translated page. Just close this tab to go back. <--

OSCAR - the Open Source CPAP Analysis Reporter

OSCAR is software compatible with Windows, Mac and Linux operating systems, developed for reviewing and exploring data produced by supported CPAP, bilevel, ventilators and related machines used in the treatment of sleep apnea. Oscar requires that data is collected on a SD card which MUST be inserted into the PAP machine during use to record detailed data.

Introduction

OSCAR - The Guide

For an excellent resource (from the OSCAR Project Manager, Gideon), here is the wiki article on how to use & interpret OSCAR's software results. It's called "OSCAR - The Guide", and can be found here:

OSCAR Supported Machines and Devices

The list of machines supported by OSCAR is expanding. Here is the list of currently compatible CPAP machines, oximeters, and sleep monitors:

OSCAR Installation and Data Migration Guide

A discussion of downloading and installing OSCAR on your PC followed by a discussion of migrating data from a previous version or from SleepyHead.

Run OSCAR for the first time

How to create a profile and import data

Basic OSCAR organization

A description of the various windows in OSCAR and the available options.

OSCAR Chart Organization and preparing for Screen Shot

For a brief tutorial on the best way to arrange your OSCAR charts for review, follow this link:

For advice on attaching charts and images to Apnea Board forums, follow this link:

OSCAR Preferences

To learn about the various changes you can make to the setup of OSCAR, see

OSCAR Troubleshooting

Having trouble with OSCAR? You may find the answer here:

International OSCAR Help

Languages for OSCAR -->





Donate to Apnea Board  

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