medical resuscitation bag valve mask (bvm), emergency cpr ventilation equipment, blue adult ambu bag for first aid

adult aid air ambu anesthesia apparatus assistance bag blue bottle breath breathe breathing bronchial bronchitis bronchospasm cardiac care compressor cpr disease doctor drink drug elastic emergency endotracheal equipment gadget glass hand health healthcare healthy help hospital illness inhalation intubation iron jewellery kit laryngoscopes light lighting lung machine mask medical object oxygen procedure purple rescue respiratory resuscitation rubber symptoms toy tube tubes valve vehicle ventilation water wheel