antithrombin III (ATT-III) test, a blood test used to confirm hypercoagulability and to help identify the cause of heparin resistance in patients receiving heparin therapy.
antithrombin III (ATT-III) test
antithrombin III (ATT-III) test, a blood test used to confirm hypercoagulability and to help identify the cause of heparin resistance in patients receiving heparin therapy.