Changes

There is quite a difference in the so called "comfort" settings of the various CPAP & APAP machines. These comfort settings , are in fact, limited versions of regular '''Bi-level''' or '''Tri-Level''' modes of therapyfound on higher level machines. These bi-level modes in allow a lot of instances, form the basis much greater range of the multi-Level therapy found on higher level machines which are normally used for addressing more complicated ventilation needs.