If this patient not adequately cough strengthen not split out the sputum he is trying but not split out only Saliva Lungs condition right lung pneumothorax now settled and left lung fully collapse now it improve little bit And Rr 30 spo2 90 on bipap 12 and 5 Abg ph 7.47 Po2 91 Pco2 71 Hco3 51 At fio2 34%