How many oblique views are typically obtained for the left and right coronary arteries?

• A. 4; 2
• B. 6; 2
• C. 5; 1
• D. 10; 4

Answer: (B)

The question pertains to the standard practice for obtaining oblique views of the coronary arteries during imaging procedures, specifically in angiography. For the left coronary artery, obtaining six distinct oblique views is common. This comprehensive coverage is essential as it provides detailed visualization of the various branches of the left coronary artery, including the circumflex and left anterior descending arteries. The complexity and variability in the anatomy of these branches necessitate multiple views to ensure accurate assessment and intervention if needed.

In contrast, for the right coronary artery, typically only two oblique views are sufficient. The right coronary artery generally has a less complex branching pattern compared to the left, allowing for a more straightforward evaluation with fewer views.

This distinction in the number of views is based on the anatomical complexity of the arteries involved and the need to thoroughly assess the coronary vessels for any pathology. Therefore, the choice indicating six views for the left coronary artery and two views for the right reflects the established practice in interventional radiology and cardiology, making it the most accurate answer.