malcolmTURKI ABDULRAHMAN ABDULAZIZ ALGARZAEI2022-05-292022-05-29https://drepo.sdl.edu.sa/handle/20.500.14154/45574To investigate the effect of the length of failed HFNC therapy before intubation on the mortality and length of ICU stay in patients with ARF.enIn patients with respiratory failure receiving high flow nasal oxygen, does the length of time before intubation affect patients' mortality and length of ICU-stay?