Classification | Grading basis |
---|---|
Grade 1 | Dry cough |
Atelectasis: extrapulmonary exclude other causes of body temperature> 37.5°C, or abnormal pulmonary symptoms or signs; radiological examination was normal | |
Difficulty in breathing (other causes excluded from the lung) | |
Grade 2 | Cough and sputum don’ts due to other causes (heart failure, etc.) |
Bronchospasm: wheeze, or the original wheeze need treatment | |
Hypoxemia | |
atelectasis: radiological evidence; body temperature> 37.5°Cor abnormal lung symptoms or signs | |
Transient hypercapnia requiring treatment such as naloxone; assisted or mechanical ventilation | |
Grade 3 | Pleural effusion, pleurisy |
Pneumonia, suspected: radiological evidence; no positive bacterial culture results | |
Pneumonia, diagnosis: radiological evidence; bacterial culture evidence | |
Pneumothorax | |
Postoperative reintubation or retention of intubation respiratory support (including noninvasive and invasive) ≤48 hrs. | |
Grade 4 | Respiratory failure: postoperative non-invasive respiratory support ≥ 48 hours; or re-endotracheal intubation ventilator support ≥ 48hrs |