Table 2.
Reasons for difficulty | No. | % |
---|---|---|
Anterior larynx | 38 | 40.9 |
Neck immobility | 22 | 23.7 |
Secretions and blood | 14 | 15.1 |
Small mouth < 3 fingerbreadths | 13 | 14.0 |
Obesity | 10 | 10.8 |
Incomplete frontal dentition | 8 | 8.6 |
Airway oedema | 8 | 8.6 |
Oral obstruction (tumour, mechanical obstruction) | 7 | 7.5 |
Maxillofacial trauma | 4 | 4.3 |
Combativeness | 2 | 2.2 |