Coronary anomalies are uncommon, affecting approximately 0.3-5.6% of the general population according to the literature. However, some cases can result in severe life-threatening events, such as myocardial ischemia, arrhythmia, and acute myocardial infarction.,
Cerit,Levent and Duygu,Hamza and Gülşen,Kamil and Kemal,Hatice and Ozcem,Barcin. Spider-Like Coronary Anatomy; the True Spider!. Arq. Bras.
Cardiol. [online]. 2017, vol. 109, n. 4, [cited 2025-09-07], pp.376-377. Available from: <https://abccardiol.org/en/article/spider-like-coronary-anatomy-the-true-spider/>. ISSN 0066-782X.
Figure 1
(A,B) Coronary angiographic imaging in the left anterior oblique
projection showing three coronary arteries originating from right sinus
of Valsalva. (C) Schematic drawing of the coronary anomaly.