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Anaesth Intensive Care · Aug 1988
A method of detecting oesophageal intubation or confirming tracheal intubation.
- J J O'Leary, B J Pollard, and M J Ryan.
- Department of Anaesthetics, Repatriation General Hospital, Concord, Sydney.
- Anaesth Intensive Care. 1988 Aug 1;16(3):299-301.
AbstractA method of testing the location of an endotracheal tube, in the trachea or oesophagus, was subjected to trial. The test involves drawing back on the plunger of a 50 ml syringe connected with airtight fittings to the endotracheal tube connector, with the endotracheal tube cuff deflated. The ability to withdraw 30 ml of air confirms tracheal intubation. When marked resistance to withdrawal of the plunger occurs and on release the plunger rebounds to its original position the oesophagus has been intubated. The method was 100% accurate in fifty intubations, 25 tracheal and 25 oesophageal. The technique has been in routine use by one author for several years without giving an incorrect answer and enthusiastic use by other authors is producing the same result.
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