Grade | Difficulty | |
---|---|---|
0 | No hold-up encountered | |
1 | Hold-up on initial attempt, relieved by withdrawal and rotation of tube 90Ā° anticlockwise. | |
2 | Hold-up on initial attempt requiring more than one manipulation of the tube, alteration in head or neck position or external manipulation | |
Position | DTI Grading | Number of patients |
Sniffing | 0 | 22 |
Ā | 1 | 3 |
Ā | 2 | 1 |
Neutral | 0 | 25 |
Ā | 1 | 1 |
Ā | 2 | 1 |