Causes of airway/ventilation/oxygenation related bradycardia
| Causes | No of events |
|---|---|
| ETT, endotracheal tube. | |
| Laryngospasm | 10 |
| Hypoventilation (drug induced and other) | 9 |
| O2 delivery/circuit/ETT | 5 |
| Airway obstruction | 4 |
| Aspiration | 3 |
| Failed or difficult intubation | 3 |
| Spinal/epidural | 3 |
| Hypoxaemia (cause not determined) | 3 |
| Oesophageal intubation | 2 |
| Embolism | 2 |
| Allergy | 2 |
| Bronchoconstriction | 1 |
| Pneumothorax | 1 |
| Total | 50 |