Which view is used to visualize the right coronary artery from proximal to mid segments?

• A. LAO view
• B. RAO caudal view
• C. LAO cranial view
• D. Lt Lateral view

Answer: (A)

Focusing the X-ray beam with the heart rotated into a left anterior oblique position brings the right coronary artery into a clean, elongated profile along the right atrioventricular groove. This alignment minimizes overlap with the right atrium and ventricle and reduces foreshortening, allowing a continuous view from the proximal segment through the mid portion. Slight adjustments in tilt (often a cranial or caudal tweak as needed) keep the segment in view and prevent distortion. Because of this, the left anterior oblique projection is the best choice for visualizing the RCA from proximal to mid segments. Other views can still show parts of the artery but often suffer from overlap or foreshortening that obscures the targeted portion.