Flushed, hot, irritable child. Stranger loitering near house. In some very serious emergency situations, you may have to provide basic first-aid treatment even before calling for help. If you cannot send someone else for help, deal with the case, then call. Apply direct pressure over the wound, raise the injured part, and press on the nearest pressure point.
Flood burn with cool water and cover with clean dressing.
Determine what the child may have taken. Cover child for warmth. Choking prevention techniques and artificial respiration techniques require special practice, but both are excellent aids in emergencies. Provide a variety of things to do. Understand what the child is like at various ages.