In this mannequin model of restricted airway access, LMA resulted in significantly faster times to ventilation versus ET and CT in all but one scenario. Further consideration and study using airways other than ET are warranted for situations with restricted access to the patient's airway.

A short cut review was carried out to establish whether intubation is always required in patients presenting with a decreased conscious level after c-hydroxybutyrate ingestion. Altogether 95 papers were found using the reported search, of which two presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated. A clinical bottom line is stated.

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