measuring the compression spot on sternum for perfoming cpr in a black gloves on a simulation mannequin dummy during medical

accessory aed aid artery background basic black bls body care clinic close closeup compression concept cpr defibrillator doctor donate dummy education emergency equipment fibrillation first flow gloves hand health heart help hospital human life line mannequin measuring medical medicine military object patient perfoming person protection safety simulation spot sternum stop stroke support technology therapy training treatment war