A 68-year-old male is referred for a coronary angiography for worsening chest pain despite optimal medical therapy. The patient recently moved to the US and notes that he has had a cardiac catheterization “many times” in the past but is uncertain what has been done. You cannot obtain records and the patient is brought to the cardiac cath lab where OCT imaging is performed. How many layers of stent are present based on the OCT image?

A 54-year-old male with a history of known CAD status post pLAD DES 6 weeks prior presents to the emergency department with unstable angina and is found to have an NSTEMI. The patient has been fully compliant with dual anti-platelet therapy. Patient is treated medically and brought to the cardiac cath lab for a coronary angiography and OCT is utilized in the stented segment. Based on the OCT image below, what is the underlying mechanism of ACS:

Which line in the OCT cross section represents the External Elastic Lamina (EEL) diameter?

A 56-year-old female is undergoing coronary angiography and an OCT pullback is performed. Minimal stent area was 3.89mm2 and stent expansion was 73.1%. The measurements are consistent with which of the following?

Select OCT images of lesions with calcific inclusions (calcifications vs. fibrous only)?