Figure 2. Coronary angiography showing catheter in aorta with catheter tip positioned in the orifice of the RCA (white asterisk). Contrast filling tortuous and convoluted fistula (blue asterisk) with fistula terminating in the SVC (white arrow),. Contrast filling post-fistula origin distal RCA (blue arrow)

From

Right Coronary Artery-Superior Vena Cava Fistula Manifesting as NSTEMI: Case Report, Review of Imaging, and Summary of Guidelines

Perry Wengrofsky, Pramod Theeta Kariyanna, Eric Kupferstein, Howard Levitt, Sudhavna Hegde, Samy I. McFarlane

American Journal of Medical Case Reports. 2019, 7(5), 74-78 doi:10.12691/ajmcr-7-5-1