In basic life support delivery of oxygen is:
|B||Through endotracheal tube|
|C||By rebreathing expired air|
|D||By blowing air over tube|
By rebreathing expired air
CPR is done under 3 heads:
a. Basic life support which includes CPR without I instruments. so airway managed by triple manoeuvre, breathing by mouth to mouth or mouth to nose (i.e.,: rebreathing expired air of rescuer) and circulation by I cardiac massage.
b. Advanced cardiac life support: It includes CPR with the use of instruments and drugs.
c. Post resuscitation life support.