angiogram sequence working clockwise using x-rays with a contrast agent injected from a tube inserted into the arteries (left &

coronary stent guiding catheter xray pci rca lcx radial artery approach angiography guide wire cath lab heart vessels radiology cholesterol vascular angiogram cardiac cardiology health cardiovascular catheterization fluoroscopy valve aorta arteriogram circulation dye radiologist stenotic lesion stenosis severity obstruction angioplasty cardiologist treatment planning location narrowing atherosclerosis ray placement imaging sequence working clockwise xrays contrast agent injected tube inserted arteries left centre show