Learn First Aid for someone who is choking (total obstruction).
1. Call 000
2. Deliver up to 5 back blows using the heel of one hand between the shoulder blades.
3. If unsuccessful, perform up to 5 chest thrusts. Push heel of the hand into the lower part of the breastbone, supporting the back during each thrust.
4. Check after each thrust to see if the blockage is dislodged.