Airway Obstruction

Question 1

Supraglottic airways: Where is the end placed?

Answer 1

Forms a low-pressure seal around the posterior larynx - does not protect against aspiration.

Question 2

Indications for LMA

Answer 2

• Unconscious without gag reflex
• Ineffective ventilation with BVM and NPA/OPA
• > 10mins ventilation required
• Difficult ETT

Question 3

LMA contraindications

Answer 3

• Gag reflex
• Severe facial trauma
• Trismus
• Suspected epiglottitis

Question 4

Three types of FBAO

Answer 4

1. Conscious and incomplete obstriction
2. Conscious and complete obstruction
3. Unconscious