1. Major complications of airway management in the UK: results of the Fourth National Audit Project of the Royal College of Anaesthetists and the Difficult Airway Society. Part 2: intensive care and emergency departments† 
T.M. Cook, N. Woodall, J. Harper, J. Benger 
British Journal of Anaesthesia 
Volume 106, Issue 5, Pages (May 2011)
DOI: /bja/aer059
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1
Capnograph trace during cardiac arrest with on-going CPR. The positive trace is an indicator of correct (i.e. tracheal) placement of the tracheal tube.
British Journal of Anaesthesia  , DOI: ( /bja/aer059)
Copyright © 2011 The Author(s) Terms and Conditions