Desaturation as a first or second warning presentation
| Stage of algorithm | First | Second |
|---|---|---|
| COVER | 189 | 48 |
| A: | ||
| Laryngospasm | 9 | 95 |
| Aspiration/regurgitation | 2 | 43 |
| Difficult intubation | 2 | 42 |
| B: | ||
| Hypoventilation | 6 | 15 |
| Bronchospasm | 4 | 4 |
| Pulmonary oedema | 2 | 3 |
| C: | ||
| Hypotension | 2 | 5 |
| Bradycardia | 1 | 2 |
| Myocardial ischaemia | 0 | 1 |
| D: | ||
| Drugs | 5 | 18 |
| “A”: | ||
| Anaphylaxis | 4 | 5 |
| Embolism | 5 | 2 |
| Pneumothorax | 1 | 1 |
| Water intoxication | 0 | 2 |
| Desaturation | 53 | 13 |
| Total | 285 | 299 |
| Percentage | 49% | 51% |