Bring the hospital directly to your patient with the London Air Ambulance. Contains literally everything you would need except the life syringe because that's cheating. Control the helicopter by turning on the propellor, then using 1, 2, or 3 to adjust rot

Ambulance that comes with a functional stretcher, stretcher lift, lights, sirens, some basic medicines, blood storage, heart monitor, defib and ECMO machine for your seriously critical patients. This is an improved design based on this workshop submission: