Maneuvering the Endoscope

The dome of the fundus is inspected by angling the tip upward and withdrawing the instrument.

Often a small pool of gastric juice can be seen at this location (between the 7- and 9-o'clock positions in Fig. 2.46a). The instrument tip can be partially immersed in the pool with the lens protruding (like crocodile eyes) in order to aspirate this fluid. Angling movements are combined with slight rotation to inspect all areas of the fundus (Fig. 2.46).

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