Laryngoscopy force in the sniffing position compared to the extension-extension position.

@article{Lee2008LaryngoscopyFI,
  title={Laryngoscopy force in the sniffing position compared to the extension-extension position.},
  author={Larry Lee and William M Weightman},
  journal={Anaesthesia},
  year={2008},
  volume={63 4},
  pages={375-8}
}
Laryngoscopy is sometimes easier with the patient's head and neck in the extension-extension position (head extension with the neck extended by the head section of the table bent down at 30 degrees) rather than the classical 'sniffing the morning air' position. We therefore tested the hypothesis that the axial force required for laryngoscopy is less in the extension-extension than the sniffing position. We measured the force axial to the handle of a Macintosh 3 laryngoscope in 20 subjects under… CONTINUE READING