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  Indian J Med Microbiol
 

Figure 1: These four photographs show anesthesia induction procedures over time in this case. Photographs (a, b, c, and d) represent preoxygenation with nasopharyngeal oxygen insufflation in the position with head elevated, Proseal® laryngeal mask airway (PLMA) inserted in the patient, a gum-elastic bougie inserted in the trachea via PLMA, and the 7.0-mm Parker-Flex-Tip® tracheal tube inserted in the trachea over the gum-elastic bougie, respectively. A 14-Fr nasopharyngeal catheter was inserted to insufflate oxygen at 5 L/min. Note that the patient's head and neck positions were maintained throughout the procedure

Figure 1: These four photographs show anesthesia induction procedures over time in this case. Photographs (a, b, c, and d) represent preoxygenation with nasopharyngeal oxygen insufflation in the position with head elevated, Proseal® laryngeal mask airway (PLMA) inserted in the patient, a gum-elastic bougie inserted in the trachea via PLMA, and the 7.0-mm Parker-Flex-Tip® tracheal tube inserted in the trachea over the gum-elastic bougie, respectively. A 14-Fr nasopharyngeal catheter was inserted to insufflate oxygen at 5 L/min. Note that the patient's head and neck positions were maintained throughout the procedure