Lay baby along line of your arm, face down and and with head lower than body Give sharp blows to upper part of the back with heel of your hand, pausing between each blow to check if obstruction has cleared If not, continue for up to five blows
Turn baby to face you along your other arm Check mouth again using one finger - don't sweep blindly around the mouth With two fingers on baby's breastbone, give sharp downward thrusts at a rate of one every three seconds Monitor the baby carefully and stop after five thrusts
If obstruction hasn't cleared, continue a cycle of five back blows and five chest thrusts up to three times If baby's still not breathing, call 999
If the baby loses consciousness Give resuscitation until the baby starts breathing again or emergency help arrives.