TABLE I.
Grade | Characteristic |
---|---|
| |
I | Moderate hypoxia (SpO2 of <94%) ora decrease (20%–40%) in systolic blood pressure |
II | Severe hypoxia (SpO2 of <88%) or a decrease (>40%) in systolic blood pressure |
III | Cardiovascular collapse requiring cardiopulmonary resuscitation |
SpO2 = oxygen saturation.