Healthcare and Medicine Reference
Figure 14.6 Step-by-step guide: laryngeal mask airway. (a) Preoxygenating the patient with high-concentration oxygen. (b) Insertion of LMA whilst a trained
assistant provides a jawthrust. (c) Insertion of LMA with correct fi nger position. (d) Advancement of LMA until resistance is felt. (e) Infl ation of cuff. (f) LMA
secured in position with tape.
Advance the LMA into the hypopharynx until a defi nite
Dolenska S, Dalal P, Taylor A. (2004) Essentials of Airway Management .
Greenwich Medical Media, London.
Resuscitation Council UK. (2006) Airway management and ventilation. In:
Advanced Life Support Course-Provider Manual , 5th edn. Resuscitation
Council UK, London.
resistance is felt (Figure 14.6d).
Infl ate the cuff with just enough air to obtain a seal. As the cuff
infl ates it tends to 'pop up' slightly into the correct position
Connect the LMA to your means of ventilation.
Confi rm adequate ventilation using the 'look, listen, feel'
approach described in the previous chapter.
Secure the LMA with tape or ribbon.
A supervised session with an experienced anaesthetist
is an ideal environment to learn and practice this
A size 4 LMA is suitable for most females and a size 5 for most
Defl ate the cuff fully before use (they are sometimes provided
partially infl ated).
If the patient does not tolerate the LMA remove it with the cuff
fully infl ated.