EuroPCR2024-images-A51081MC-Unveiling the uncommon in the cath lab

What do you see in this image?
Left main artery ostial atresia
Anomalous left coronary artery from the right sinus of Valsalva
Acquired atherosclerotic disease of the left main coronary artery
Correct! The correct answer is "Left main artery ostial atresia"
 
Left main artery ostial atresia, being the entire circulation is ensured through large collaterals from the right coronary, with TIMI 3 flow, retrogradely filling up the left coronary system.
Good try! The correct answer is "Left main artery ostial atresia".
 
Left main artery ostial atresia, being the entire circulation is ensured through large collaterals from the right coronary, with TIMI 3 flow, retrogradely filling up the left coronary system.
 
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