1. Ultrasound diagnosis of nasogastric tube misplacement into the trachea during bypass surgery 
T. Kerforne, M. Chaillan, L. Geraud, O. Mimoz 
British Journal of Anaesthesia 
Volume 111, Issue 6, Pages (December 2013)
DOI: /bja/aet399
Copyright © 2013 The Author(s) Terms and Conditions

2. Fig 1
Ultrasound transversal view of the trachea [(a and b) Tracheal ring marked with large yellow arrow]. (a) With NT into the trachea (dotted yellow arrow). (b) After NT removal, normal aspect of an empty trachea with a periodic resonance artifact and posterior shadowing behind the trachea ring (small yellow arrows).
British Journal of Anaesthesia  , DOI: ( /bja/aet399)
Copyright © 2013 The Author(s) Terms and Conditions