Which maneuver is used to visualize the GE junction during an endoscopic procedure?

The J maneuver and withdrawal of the scope is an effective technique used during endoscopic procedures to visualize the gastroesophageal (GE) junction. This maneuver involves flexing the endoscope to create a "J" shape, which facilitates a better angle and position to view the GE junction. As the endoscope is withdrawn in this position, it allows for a clearer and more optimal perspective of the junction, enhancing visualization of the anatomical structures.

This technique is particularly valuable because it helps in identifying potential pathological conditions at the GE junction, such as hiatal hernias, reflux, or esophageal strictures. By strategically maneuvering the scope in this manner, the clinician can carefully examine the junction with improved access.

In contrast, other techniques may not provide the same level of clarity and access to the GE junction. For instance, twist maneuvers or standard withdrawal techniques could potentially limit visibility or risk irritation of the surrounding tissues, making them less effective for this specific purpose. The push and pull maneuver, while applicable in various scenarios, does not specifically target angles or views that optimize visualization of the GE junction in the same manner as the J maneuver.