| Number | Percentage |
Cardiac arrest | 6 | 20 |
Hemorrhage | 4 | 13.34 |
Bradycardia | 2 | 6.66 |
Arterial hypotension | 2 | 6.66 |
Hypoxia | 2 | 6.66 |
Unknown | 14 | 46.68 |
Total | 30 | 100 |