Since the beginning, great researchers have been working on estimating the best technique for maintaining the body blood flow of a victim undergoing CPA. Several techniques were applied, such as the Trotting method and rolling over a barrel. The technique of external chest compressions was conceived in 1960, based on the observation made by Kouwenhoven, Jude, and Knickerbocker that adequate compression on the lower third of the sternum provided sufficient artificial circulation to sustain life in animals and humans with […]