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Difference between revisions of "Expiratory Pressure Relief (EPR)"

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'''Exhalation Pressure Relief''' (EPR) is a feature that lowers the pressure on a CPAP machine when the patient exhales. When using a CPAP machine, many patients find it difficult to exhale.  The machines provide ''continuous'' positive airway pressure, which makes it easier for the patient to inhale, but harder to exhale.  EPR lowers the pressure slightly when the patient is exhaling to help with this issue.  The level of EPR can be set to 1, 2, or 3; usually by the patient as it is most likely considered by the prescribing physician to be a comfort feature, meaning it shouldn't impact the effectiveness of the CPAP therapy.
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Manufacturers of machines have their own brand names for EPR. Philips Respironics System One machines refer to it as C-Flex for their CPAP machines, Bi-Flex for their BiPAP machines, and A-Flex for their APAP machines.
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'''EPR''' (Expiratory Pressure Relief) is a ResMed brand-specific term for CPAP [[exhalation pressure relief]]. 
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--[[User:Sleepster|Sleepster]] 16:01, 29 January 2012 (UTC)
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According to the ResMed website:  ''"EPR (expiratory pressure relief) is an effective alternative to continuous positive airway pressure (CPAP) therapy. It features several options that enable you to reliably and predictably control patient therapy while delivering a higher level of patient comfort".'' [http://www.resmed.com/us/assets/html/device_epr/epr.html?nc=patients] EPR reduces the pressure during exhale from 1 to 3 cm-H2O corresponding to the setting. In the image below the mask pressure (blue) is shown below the Respiratory flow rate graph (black). The changes in pressure show how EPR works with the top of the mask pressure corresponding to IPAP and the bottom of the curve to EPAP.  
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[[File:Airsense 10 mask pressure.png|500px]]
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[[Category:CPAP technology]][[Category:Medical terms]]

Latest revision as of 14:21, 26 December 2020

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EPR (Expiratory Pressure Relief) is a ResMed brand-specific term for CPAP exhalation pressure relief.

According to the ResMed website: "EPR (expiratory pressure relief) is an effective alternative to continuous positive airway pressure (CPAP) therapy. It features several options that enable you to reliably and predictably control patient therapy while delivering a higher level of patient comfort". [1] EPR reduces the pressure during exhale from 1 to 3 cm-H2O corresponding to the setting. In the image below the mask pressure (blue) is shown below the Respiratory flow rate graph (black). The changes in pressure show how EPR works with the top of the mask pressure corresponding to IPAP and the bottom of the curve to EPAP.


Airsense 10 mask pressure.png




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