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Cardiac arrest

Preparation
Immediate management
Investigations
Prevention
Prognosis
Immediate management

Insert a laryngeal mask if unfamiliar with endotracheal tubes b

Why?

  • Inexperienced users are more successful and faster (on average 3 minutes) at inserting laryngeal masks than endotracheal tubes. b

Laryngeal masks are easier to insert than endotracheal tubes

Patient Treatment Comparison Outcome CER RRR
(95% CI)
NNT
(95% CI)
elective surgery b laryngeal mask endotracheal tube failed intubation
at 5 minutes
53% 100%
2
(1 to 3)
  • Aspiration using laryngeal masks is very rare in elective surgery. 0.023% (95% CI: 0.0% to 0.050%) b

Expiry date: July 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   S   Straus
CAT Writers   CM   Ball , CJ   Wotton