Critical care medicine as an anesthesiology board subspecialty was established in 1986. Interestingly, in the early 1980s, other specialties, including internal medicine and surgery, attempted to create a unified Board of Critical Care Medicine (Anesthesiology 2001;95:781-8). This was ultimately unsuccessful due to disagreements on training qualifications, hence the individualized board certifications within disparate fields as we know them today. In the United States, most intensivists are pulmonary critical care specialists; in Europe, more than 50% are anesthesiologists. Despite the subspecialty being in existence for almost 40 years, at the turn of the century, less than 4% of the 25,000 board-certified anesthesiologists in the U.S. were also trained as intensivists (A A Case Rep 2016;6:373-9). Among members of the Society of Critical Care Medicine, surgeon-intensivists outnumbered anesthesiologist-intensivists almost 2:1. This may be due to a variety of factors, including workload/burnout rate in the ICU, the dominance of...

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