What Is Dead Space?ĭead space is the portion of the respiratory system where tidal volume doesn’t participate in gas exchange. This article discusses the concept of dead space and it’s clinical use in recognizing hypoventilation and preventing hypoxia and hypercarbia. Having a tidal volume close to, or smaller than the patient’s dead space can lead to significant hypercarbia, hypoxia, and respiratory failure. A more subtle sign is that tidal volume becomes shallower. The most obvious sign is slowing of the rate of breathing. Hypoventilation from sedation, pain medications, anesthesia in the immediate postoperative period is common. Top Rated TV Programs: 2012 - 2013 Program Rating NCIS 21.6 Sunday Night Football 21.0 The Big Bang Theory 19.0 NCIS: Los Angeles 17.5 Person of Interest 16.2 American Idol (Wednesday) 15.1 Dancing With the Stars (Monday) 15.0 American Idol (Thursday) 14.8 The Voice (Monday) 14.4 The Walking Dead 14.3 Dancing With the Stars (Tuesday) 14.0 Two and a Half Men 13.9 The Voice (Tuesday) 13.5 Blue Bloods 13.3 Elementary 13.3 Top Rated TV Programs: 2015 - 2016 Program Rating NFL Sunday Night Football 22.0 The Big Bang Theory 20.6 NCIS 20.5 The Walking Dead 18.9 NFL Thursday Night Football 17.7 Empire 16.2 NCIS: New Orleans 16.1 Blue Bloods 14.6 Dancing With the Stars 13.7 The X-Files 13.6 The Voice (Monday) 13.5 Scorpion 13.3 The Voice (Tuesday) 13.2 Little Big Shots 13.0 NFL Monday Night Football 12.9 \begin c.Understanding anatomic dead space is important to recognizing subtle hypoventilation. The numbers of viewers include those who watched the program on any platform, including time-shifting up to seven days after the original telecast.
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