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Fig. 1 | BMC Anesthesiology

Fig. 1

From: High-flow nasal cannula in nonlaser microlaryngoscopic surgery: a prospective study of 19 cases in a chinese population

Fig. 1

Intraoperative conditions of the application of HFNC. A Using HFNC as the ventilatory technique under general anesthesia. HFNC was administered using an Optiflow system (Fischer & Paykel Healthcare, Auck land, New Zealand), which delivered 37℃, 100% humidity, a FiO2 of 95% oxygen through a nasal cannula at 60 L/min. B The left vocal cord cyst could be seen clearly in the microlaryngoscope intraoperatively by using HFNC as the ventilatory technique. C Excision of the left Vocal Cord Cyst using HFNC with the adequate field of view intraoperatively. HFNC = High-flow nasal cannula

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