- patient with limitation of care. - patient with immediate risk to icu transfer within the first 12 hours - patient with neurological or psychiatric symptoms that interfere with respiratory parameters interpretation. - patient with acute or chronic respiratory disease such as copd, cancer. - pregnancy, age < 18 of vulnerable profile. - patient refusal to participate or previously included in a clinical research trial.

- patient with limitation of care. - patient with immediate risk to icu transfer within the first 12 hours - patient with neurological or psychiatric symptoms that interfere with respiratory parameters interpretation. - patient with acute or chronic respiratory disease such as copd, cancer. - pregnancy, age < 18 of vulnerable profile. - patient refusal to participate or previously included in a clinical research trial.