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RSI originated in the anesthesia literature to prevent aspiration in unprepped patients undergoing general anesthesia. From the first anecdotal reports of p-RSI in 1972, prehospital intubation has matured into widespread use. The often conflicting outcome data underscored the need to standardize the approach to p-RSI.
Early Heart Pacemaker Canadian, John Hopps invented the first cardiac pacemaker. Hopps was trained as an electrical engineer at the University of Manitoba and joined the National Research Council in 1941, where he conducted research on hypothermia.his lead to Hopps' invention of the world's first cardiac pacemaker in 1950. His device was far too large to be implanted inside of the human body. It was an external pacemaker.