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Fig. 1 | BMC Anesthesiology

Fig. 1

From: Supraglottic jet oxygenation and ventilation decreased hypoxemia during gastrointestinal endoscopy under deep sedation at high altitudes: a randomized clinical trial

Fig. 1

Supraglottic jet oxygenation and ventilation using a Wei nasal jet tube . SJOV was conducted using a WNJ connected to a manual jet ventilator via its jet port. The WNJ is a regular nasopharyngeal airway with two modified nozzles. One is the jet nozzle connected to the manual jet ventilator. Another nozzle is used to monitor breathing connected to a PaCO2 monitor (breathing was not monitored in this study). The regular nasal cannula could also supply up to 6 l/minute of oxygen. Only the jet nozzle was used for oxygen administration in this study. SJOV, supraglottic jet oxygenation and ventilation; WNJ, Wei nasal jet tube

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BMC Anesthesiology

ISSN: 1471-2253

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