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

Case Study A02-3: LCA from RC Sinus - Course Low between PA and Ao

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LCA – LAO 7 Caud 36
Anomalous septal relatively small in this example.

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LCA – LAO 13 Cran 38
Size 3 ALM and ILM.

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RCA – LAO 33 Cran 11
Illustrates origin of anomalous LCA with respect to RCA.

Anatomy – There is impressive anatomic similarity in the examples of this anomaly that we have seen: axial septal, distal intersection of anomalous LM with IV groove, basally directed initial LCx segment and right dominance.

Construction – (Select Settings > Choose Button Q Nums.) Template button Q1.4.2 sets the stage for this anomaly.

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