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

Case Study A07-1: Anomalous LCx origin from basal diagonal

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LCA – LAO Cranial
LCx originating from bifurcating basal diagonal: mid LAD occluded.

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LCA – RAO Caudal
Anomalous LCx origin gives appearance of a very long LM.

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RCA – LAO Cranial
Large PDA with mid RCA collaterals to occluded distal LAD.

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RCA - RAO
Confirms presence of Type 1 LAD (occluded) and large PDA

Anatomy – The anomalous LCx originating from the basal diagonal ends in a single AL Marginal.  The mid LAD is totally occluded with good RCA collateral support. This is a Type 1 LAD with a prominent PDA branch from an ectatic RCA.

Construction – Template button Q1.6.1 sets the stage, followed by selection of a size 3 basal diagonal branch.

CARAT