cholesterol in human blood vessels and heart icon. high ldl sign. blocked arteries . heart attack logo. myocardial

artery vessel anatomy blood cardiac cardiovascular disease human medical pressure health cholesterol myocardial attack vascular blocked vector circulation heart plaque stroke vein clot fat atherosclerosis infarct infarction thrombosis infographic cardio cell high background arteriosclerosis atheroma bloodstream embolism hdl ischaemia ischemia ischemic lipoprotein risk type isolated ldl organ body cardiology vessels icon sign arteries symbol logo concept flat style icon sign symbol logo concept