In the RAO cranial view, which portion of the left coronary system is best viewed?

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Multiple Choice

In the RAO cranial view, which portion of the left coronary system is best viewed?

Explanation:
In RAO cranial, the heart is rotated so the left anterior descending artery (LAD) runs along the image axis within the anterior interventricular groove. This makes the mid to distal segments of the LAD appear elongated, well separated from the diagonal branches, and easier to evaluate for lesions. Proximal LAD and the left main origin are often foreshortened or overlapped in this view, and other left-sided branches are not as clearly seen, so the view best suited to assess the LAD is its mid to distal portion.

In RAO cranial, the heart is rotated so the left anterior descending artery (LAD) runs along the image axis within the anterior interventricular groove. This makes the mid to distal segments of the LAD appear elongated, well separated from the diagonal branches, and easier to evaluate for lesions. Proximal LAD and the left main origin are often foreshortened or overlapped in this view, and other left-sided branches are not as clearly seen, so the view best suited to assess the LAD is its mid to distal portion.

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