Left main coronary artery aneurysm occlusion presenting as myocardial infarction with cardiogenic shock: Patient saved by securing left anterior descending artery at cost the of other vessels.

Coronary artery aneurysms and ST-segment elevation myocardial infarction are rare in clinical practice, presenting a management challenge. To the best of our knowledge, this case appears to be the first successful percutaneous treatment of a completely obstructed aneurysmal left main coronary artery.