back blows the heimlich maneuver or heimlich manoeuvre on a simulation mannequin infant dummy during medical training basic life

accessory aid asphyxia back background basic black blows bls body care child children clinic close closeup concept cpr doctor donate dummy education emergency equipment fibrillation first flow hand health heart heimlich help hospital human infant life line maneuver mannequin manoeuvre medical medicine military newborn object patient person protection safety simulation stop support technology therapy training treatment war