Close-up of unrecognizable paramedic performing CPR on dummy with use of bag valve mask for artificial ventilation and doing heart massage
Medium section of unrecognizable doctor demonstrating how to perform CPR, using bag valve mask then doing heart massage
Experienced medical professional demonstrating CPR techniques with a dummy
Paramedic specialist teaching first aid techniques with doctors and nurses
Paramedic giving lecture on first aid: Bag valve mask for CPR demonstration
Selective focus shot of unrecognizable male sonography specialist doing medical ultrasound of patient's neck
Experienced paramedic demonstrating CPR techniques with mannequin
Tilt down of professional paramedic sitting on floor teaching group of people how to perform CPR using bag valve mask and heart massage
Selective focus of medical specialist wearing mask setting modern ultrasound scanner for patient
Unrecognizable physician coming to ill Caucasian woman lying on hospital bed. Male doctor checking patient in medical center. Mechanical ventilation of lungs, health care.
Selective focus close-up of unrecognizable professor explaining subject to students at medical training
Selective focus shot of paramedic specialist standing at desk with mannequin on it giving lecture about emergency procedures