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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Conversion of an oral to nasal intubation in difficult nasal anatomy patients: two case reports

Fig. 2

a Endotracheal intubation was performed via the oral route for ventilation. b The nasal endotracheal tube was inserted through the naris with tube exchanger until it reached the oropharynx. c The tip of the tube exchanger was taken out of the mouth with the magill forceps so as to not damage the cuff of the endotracheal tube. d The tube exchanger was removed from the nasal endotracheal tube. e The tube exchanger was advanced through the orotracheal tube. f The orotracheal tube was removed (g) The other side of the tube exchanger was inserted retrograde through the tip of the nasotracheal tube, which was pulled out of the mouth. h Running along the tube exchanger, the nasotracheal tube was finally advanced into the trachea

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