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

Case Study A05-1: LCA from Non-Coronary Sinus

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LCA_LAO 34 Caud 33
LCA seems to originate high in the non-coronary sinus immediately adjacent to the LC sinus.

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LCA_RAO 3 Cran 30
Catheter clearly entering the LCA from the non-coronary cusp.

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LCA_RAO 27 Caud 16
Subtotal occlusion of large marginal system.

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RCA_LAO 27 Cran 10
Critical mid RCA lesion.

Anatomy – Only two cases identified in Calgary over 7-year period. In one the LCA originated high in the NC Sinus and low in the sinus in the second.

Construction – (Select Settings > Choose Button Q Nums.) Template button Q1.9 sets the stage for is anomaly.

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