Percutaneous transluminal coronary angioplasty (PTCA, or balloon angioplasty) is performed in the cardiac cath lab. PTCA brings blood flow to a healthy level by opening arteries closed by fatty plaque. This occurs in the following steps: An expandable balloon catheter is placed into a narrow coronary artery. The balloon is inflated, compressing plaque against the […]
blood flow
Renal Angiography
Renal arteries are the arteries that supply blood to the kidneys. A renal angiogram is used to find narrow or blocked renal arteries. During an angiogram, an x-ray solution is injected into one or several arteries, and x-rays are used to capture images of blood flow.