World of Biology on Instagram: "A coronary angioplasty procedure is also known as percutaneous coronary intervention. The procedure is done on blood vessels called coronary arteries. They supply your heart muscle with oxygen. The goal is to restore blood flow if a substance called plaque has significantly narrowed these vessels. To begin the procedure the doctor will numb the skin in your wrist. A needle will be placed through your skin and into your radial artery. Next, a flexible guidewire wil