Seems to be okay (sm)
Posted By: Misha on 2007-05-03
In Reply to: does this make sense? - stumped
Subject: Seems to be okay (sm)
http://www.jacn.org/cgi/content/full/17/2/195
... Capnography is designed to monitor carbon dioxide expiration and is commonly used to verify endotracheal tube placement. Tubes placed within the trachea will allow expiration of carbon dioxide containing gas and will result in a normal capnography tracing. Those tubes inadvertently placed within the esophagus will not. A similar device, Easy-CapTM (Nellcor, Inc., Hayward, CA) attaches to the endotracheal tube and utilizes colorimetric indicator material to detect carbon dioxide (CO2). ...
An Easy-CapTM device was adapted (Fig. 1) and attached in an airtight manner to the proximal end of the nasoenteric tube (Corpak Medsystems, Wheeling, IL). The outlet plug on the Easy CapTM was left in place until an insertion depth of 30 cm was obtained. The outlet plug was then removed and the indicator was observed for color changes consistent with the presence or absence of CO2. The tube was then advanced to its normal depth for nasogastric insertion and a post-insertion radiograph was obtained.
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