optical coherence tomography oct. purge catheter with contrast. intravenous administration of contrast agents for enhanced ct or

angiogram angiography angioplasty artery atherosclerosis attack cardiac cardiology cardiovascular care cath catheter catheterization coherence coronary diagnosis diagnostic disease doctor dyslipidemia examination guide guidewire healthcare heart hospital hypertension imaging intervention intravascualr intravascular lab macular medical modern occlusion oct ophthalmology optic optical patient percutaneous retinopathy technology test tomography vascular vein vessels wire