Angioplasty and stenting require the use of dye, which some patients can’t tolerate. Additionally, with angiography alone, we are not able to get a clear picture of how well the stent is apposed to the arterial wall and how well it has expanded within it. ⁠ ⁠ One of the technological advances that has furthered the field of Interventional Cardiology and resulted in better patient outcomes is the use of IVUS (intravascular ultrasound) imaging during percutaneous coronary intervention (PCI), a pro