•Administered first-aid treatment and life-support care to sick or injured persons in prehospital setting.•Performed emergency diagnostic and treatment procedures, such as stomach suction, airway management or heart monitoring, during ambulance ride.•Observeed, recorded, and reported to physician the patient's condition or injury, the treatment provided, and reactions to drugs and treatment.•Immobilized patient for placement on stretcher and ambulance transport, using backboard or… Show more •Administered first-aid treatment and life-support care to sick or injured persons in prehospital setting.•Performed emergency diagnostic and treatment procedures, such as stomach suction, airway management or heart monitoring, during ambulance ride.•Observeed, recorded, and reported to physician the patient's condition or injury, the treatment provided, and reactions to drugs and treatment.•Immobilized patient for placement on stretcher and ambulance transport, using backboard or other spinal immobilization device.•Maintained vehicles and medical and communication equipment, and replenish first-aid equipment and supplies.•Assessed nature and extent of illness or injury to establish and prioritize medical procedures.•Communicated with dispatchers and treatment center personnel to provide information about situation, to arrange reception of victims, and to receive instructions for further treatment.•Comforted and reassured patients.•Decontaminated ambulance interior following treatment of patient with infectious disease and report case to proper authorities.•Operated equipment such as electrocardiograms (EKGs), external defibrillators and bag-valve mask resuscitators in advanced life-support environments Show less