Our experience with ambulance design and equipment over the past 14 years indicates (1) the established national recommendations could be implemented at the local level; (2) existing assembly-line vehicles could be further transformed into mobile intensive care units at relatively low cost, and (3) the equipment recommended and described has proved valuable in actual practice. Features of vehicles should be evaluated in this order of importance: portable and stationary life-support equipment, working space, riding quality, vehicle performance, and cost. No presently feasible modification of existing vehicle types is ideal in all these features.
Safar P, Esposito G, Benson DM. Ambulance Design and Equipment for Mobile Intensive Care. Arch Surg. 1971;102(3):163–171. doi:10.1001/archsurg.1971.01350030001001