The RAO position of the esophagus is preferred over the left anterior oblique (LAO) because it:

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Quizplus · Accepted Answer

The RAO position of the esophagus is preferred over the LAO because it increases the visibility of the esophagus between the vertebrae and heart. This allows for better evaluation of any potential abnormalities in the esophagus, such as strictures or tumors. The LAO position may provide more comfortable positioning for some patients, but this is not the primary reason for choosing the RAO position. The RAO position may also offer some reduction in thyroid exposure, but this is not the primary reason for choosing this position. Holding the cup of barium in the left hand is not relevant to the decision to use the RAO position.

The RAO Position of the Esophagus Is Preferred Over the Left