Causes of desaturation in which neither COVER nor ABCD adequately dealt with the problem
| Causes | No |
|---|---|
| Excessive secretions | 11 |
| Underlying lung disease | 11 |
| Obesity syndrome | 10 |
| Monitor error | 5 |
| Cardiovascular | 4 |
| Suspected embolism | 4 |
| Could not determine | 21 |
| Total | 66 |