coronary imaging catheter. dual lumen catheter. coronary angiography showing micro catheter guidewire

angiogram angiography angioplasty artery cad cag cardiac cardiology cardiovascular cath catheter catheterization catheters chronic collaterals coronary cto descending diagnosis disease dual fluoroscope fluoroscopy guide guidewire guiding heart imaging intervention lab lad left lesion lumen main microcatheter obstruction occlusion pci percutaneous ptca ray rca stenosis total vascular wire