Dr. Marius Rehn, from London's Air Ambulance, demonstrates a procedure on a medical dummy. London's Air Ambulance, also known as London HEMS (Helicopter Emergency Medical Service), is a British registered charity that operates an air medical service dedicated to responding to serious trauma emergencies in and around London. Using a helicopter by day and road vehicles by night, it functions as a mobile emergency department in life-threatening, time-critical situations.
