The importance of angled right anterior oblique views in improving visualization of the coronary arteries. Part I: Caudocranial view.

1 March 1982

journal article
research article
Published by Radiological Society of North America (RSNA) in Radiology

Vol. 142 (3) , 631-636
https://doi.org/10.1148/radiology.142.3.7063677

Abstract

Patients (300) were examined to determine the value of the caudocranial right anterior oblique view (RAO) in revealing or improving visualization of lesions in the proximal and mid-left anterior descending artery (LAD), the origins of the septal and diagonal arteries and the distal branches of the right coronary artery (RCA). The proximal and mid-LAD were shown to greater advantage in 80% of cases, the diagonal arteries in nearly 75%, the septal vessels in > 90%, and the posterior descending and posterolateral branches of the distal RCA in > 80%; the cranial RAO view revealed previously unsuspected lesions in 7% of the proximal and mid-LAD arteries and 26% of the septal vessels. In addition to superior visualization, this view gives satisfactory exposure even in extremely large patients and may be helpful in coronary angioplasty.

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