Choking occurs when airway is blocked.
Casualty is unable to breathe and may be gripping throat.
Veins become prominent.
Mouth and lips turn blue.
What to do
For infant- Hold casulaty upside down. Open his mouth and pull tongue forward. Let obstruction out.
For older children- Hold casualty head down over your arm or knee. Clear his mouth and pull tongue forward. Encourage coughing.
For adult- Have casualty bend down with head lower than his lungs. Encourage coughing.
For all cases, if obstruction is not dislodged, maintain position and slap between shoulder blades.
Repeat 4 times. If obstruction is visible but not coughed out, hook it out with a finger.
In all cases, begin CPR if casualty has difficulty breathing after obstruction is expelled.