normal and narrowed artery cross section

graphic cholesterol artery blood clot blocked hdl ldl lipoprotein thrombosis hypercholesterolemia atherosclerosis hyperlipidemia bloodstream hyperlipidaemia illustration dyslipidaemia lipid medicine heart vascular icon design cardiovascular disease disorder fat normal patient plaque therapy healthcare awareness medical concept prevention treatment healthy triglyceride care vein infographic anatomy comparison crosssection narrowed vector