The diagnostic and treatment strategies for respiratory failure and its associated conditions have come a long way. Since the discovery of the stethoscope by René Laennec in 1816, to the work of Fenn and his team in 1946 on pulmonarygas exchange, the use of cuffed endotracheal tubes by Ibsen in 1954 to administer positive pressure ventilation to patients in respiratory failure who were admitted to the intensive care units, that became common in the United States in 1960.
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