Quick! What are you going to do?!? .... You can't intubate or ventilate this 7 year old kid.

If you can't intubate or ventilate a child despite attempting several airway techniques ie LMA, boogie, glide scope, etc ... there's always the handy, but rarely used, cricothyrotomy.

In children, pediatric needle cric kits exist out there but unless you're at a hospital that sees lots of sick children, the likelihood that they're stocked and easily accessible is about nil.

But not to despair, the majority of physicians can quickly assemble a "make shift" system from the following items found in most EDs.

• 14 gauge IV catheter
• 3 cc syringe
• 7.0 endotracheal tube adapter

Procedure:

1. Prep crichothyroid membrane
2. Attach 3 cc syringe 1/2 filled with saline to the 14 gauge angiocath
   
3. Puncture cricothyroid membrane with needle directed at 45 degree angle caudally while pulling back on the syringe's plunger
   
4. Stop advancing the angiocath once bubbles are noted in the syringe
5. Remove syringe and needle, leaving plastic IV catheter in trachea
   
6. Remove plunger from 3 cc syringe. Empty water. Attach syringe to IV catheter.
   
7. Attach 7.0 endotracheal tube adapter to 3 cc syringe.
8. Bag ventilate.
   

Source

Roberts: Clinical Procedures in Emergency Medicine, 5th ed.

Walls, R. Manual of Emergency Airway Management.