“…The muscle tone of the cricopharyngeus creates a sphincter pressure which prevents regurgitation in the awake state." 95 Salem and associates concluded that "placement of a nasogastric tube before anesthetic induction seems to be indicated only in patients with overdistention of the stomach." Although cricoid pressure could exceed the normal awake level of upper esophageal sphincter pressure, in only half of their study patients was it applied firmly enough to do so.…”
Section: B Preinduction Gastric Emptyingmentioning
“…The muscle tone of the cricopharyngeus creates a sphincter pressure which prevents regurgitation in the awake state." 95 Salem and associates concluded that "placement of a nasogastric tube before anesthetic induction seems to be indicated only in patients with overdistention of the stomach." Although cricoid pressure could exceed the normal awake level of upper esophageal sphincter pressure, in only half of their study patients was it applied firmly enough to do so.…”
Section: B Preinduction Gastric Emptyingmentioning
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