The HeartScore calculator is only suitable if you are aged 18 or over. It is not suitable if you have had a heart attack, heart surgery, coronary artery surgery, stent, angioplasty, surgery for a leg circulation problem, a stroke or ‘mini-stroke’ (TIA). It is not suitable if you have (1) angina; (2) diabetes complicated by kidney disease; (3) systolic blood pressure of 180mm Hg or more; (4) a cholesterol ratio of 8.0 or more; (5) peripheral arterial disease; or (6) any genetic (inherited) disorder causing abnormal lipid or cholesterol levels.