CARAT Case Studies: Coronary Artery Variants and Anomalies (CAVA)

Case Study A11-1: RCA from LC Sinus coursing between PA and Ao

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LCA_LAO 50 Cran 25
LCA.

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LCA_RAO 27 Caud 22
LCA.

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RCA_LAO 29 Caud 0
RCA originating high in LC sinus.

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RCA_RAO 45 Cran 1
In RAO view compression of anomalous segment is seen.

Anatomy – The anomalous RCA originates above and anterior to the LCA ostium. This particular anomaly can be associated with a compression syndrome; in fact the RAO view of the RCA suggests compression. 

Construction – Template button Q2.3.2 sets the stage.

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