Introduction -- Thromboprophylaxis in medical patients -- Pharmacoeconomics of medical thromboprophylaxis -- Introduction to thromboprophylaxis in surgical patients -- Thromboprophylaxis in orthopaedic surgery -- Thromboprophylaxis in cancer surgery -- Thromboprophylaxis in other types of surgery -- Thromboprophylaxis in patients on oral anticoagulant therapy -- The pharmacoeconomics of surgical thromboprophylaxis -- Thromboprophylaxis in pregnancy