A 73-year-old woman with diabetes, hypertension, and non-ST elevation myocardial infarction underwent optical coherence tomography (OCT)-guided angioplasty for calcific stenosis of the mid-left anterior descending artery (LAD) and mid-segment of a tortuous obtuse marginal (OM).
Keywords: diligence; iatrogenic left main dissection; intramural hematoma; optical coherence tomography; tortuous lesion.