LMA

Question 1

Background

Answer 1

Airway Device that forms a seal in the pharynx.
Advantages:
Allows continuous compression in CPR.
Simple to insert.
Can use a ETO2 monitor attached.
Not dependent on patient head position once inserted.

Question 2

Indications

Answer 2

GCS of 3 and airway is poor despite OPA/NPA and jaw thrust.
Cardiac arrest if endotracheal tube cannot be placed.
Rescue airway in a failed intubation

Question 3

Contraindications & Cautions

Answer 3

Trismus / restricted mouth opening.
Gag reflex present.
Upper airway obstruction
Distorted airway.
Active vomiting.

Question 4

Complications

Answer 4

Inability to obtain a good seal & ventilate.
Regurgitation and aspiration.
Kinking of LMA shaft.
Laryngospasm.
Cough.
Trauma to upper airway.
Dislodgement.
Gas insufflation.

Question 5

Procedure

Answer 5

1. Check airway is clear and position patient supine.
2. Select correct LMA size based on patient weight.
3. Deflate cuff and lubricate.
4. Insert LMA and inflate cuff (size-1)x10ml
5. Attach manual ventilation bag and check chest rise. Troubleshoot if needed.
6. Secure LMA with Thomas tube holder.
7. Document application.