angiography catheter used to diagnose blockage in the arteries not heart .

angiogram diagnostic angiography angioplasty arteriogram arteriography artery cardiac cardiologist cardiology cardiovascular cath lab catheter catheterization coronary diagnosis disease doctor endovascular estimation examination diagnose fluoroscope guide guiding health healthcare heart hospital intervention interventional laboratory left main lesion medicine operation pci percutaneous procedure ptca radiology stenosis surgery therapy transluminal treatment ultrasound vascular vessel ray yellow background used blockage arteries isolated