Oxygen insufflation via working channel in a fiberscope is a useful method: A case report and review of literature

Figure 1 View of larynx. A: Unclear view of larynx due to fogged lens and secretion even with the intermittent suction at second trial was shown; B: Better view of larynx was shown when using oxygen insufflations through the working channel in a fiberscope.

Figure 2 Pre- and post-operative chest X-ray. A: The pre-operative chest X-ray was examined; B: The post-operative chest X-ray was shown no significant change of gastric gas amount compare to the pre-operative chest X-ray.