Pt has been using a resmed airsense s10 since (b)(6) 2016.Pt reports about 3.5-4 yrs ago, developed chest pain, sob(shortness of breath), sinus issues, waking up coughing.Noted when looking inside device (not the water chamber/tube) that there was white dust, including in the form of spirals.When i first met him in (b)(6) 2022, i ordered a replacement device.Since starting replacement device, symptoms have been eliminated or reduced, leading pt to believe it may be due to degradation of interior components of prior machine.He did briefly use an external ozone cleaner (which did not pump through machine).Separately, reports also h/o gerd(history of gastroesophageal reflux disease), which is now resolved with new device, and sinus issues, not completely resolved.
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