Tag David R. Smart

Essentials 1 Dysbarism is the term given to medical complications of exposure to gases at higher than normal atmospheric pressure. It includes barotrauma and decompression illness. 2 An understanding of the pathophysiology of dysbarism requires an understanding of the gas…

Essentials 1 Oxygen is the most frequently used ‘drug’ in emergency medicine. 2 Oxygen-delivery systems may be divided into variable-performance (delivering a variable concentration of oxygen) and fixed-performance (delivering a fixed concentration of oxygen, including systems that deliver 100% oxygen)…