Maneuvering the Endoscope

Typically the shaft can be seen in the upper part of Inspection of the cardia is difficult because the more proximal m the retroflexed image. This view demonstrates the part of the endoscope shaft partially obscures the cardial region. prominent fold of the cardiac notch and the dome of the fundus beyond. Frequently the Z-line can be identified, and it is not unusual to see a small epiphrenic ampulla or hiatal hernia. Center the cardia in the image, then rotate the endoscope 180° clockwise and back counterclockwise to inspect all portions of the cardia (Fig. 2.47).

Fig. 2.47 Inspection of the cardia

Fig. 2.47 Inspection of the cardia

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