Yellow phlegm means that you are suffering from cold and flu or your upper respiratory tract is under the influence of some microbial infection. Dark yellow phlegm or thick yellow phlegm indicates an infection of lower respiratory tract or sinuses.
The new Media Transfer Protocol (MTP) enables you to manage content on any portable device with storage. 1  Details.
Using the latest technology in Noninvasive Ventilatory Support for home use, the BiPAP AVAPS device guarantees a certain volume of air per minute using the Average Volume Assured Pressure Support (AVAPS) technology exclusive to Respironics.