My aunt is facing dis problem she is 65yrs old and at present its very difficult for her to even get up from bed she is on oxygen 24x7 at home last year she was admitted in hospital due to same reason she had hypercapnea at present her co2 level is 88 n o2 is 94 she is asthmatic patient n she has suffered from pneumonia too at present her condition is srsly not gud she is just sitting n breathing bt wn she starts to walk or do smthng she get breathless