our low-dose heparin-warfarin prophylactic anticoagulation protocol affords significant protection in this regard ( one fatal pulmonary embolism in 796 cases ) without the use of venography or other objective tests to check for deep venous thrombosis and for all patients including those with venous disease or a history of prior thromboembolic disease .
C0043031
warfarin
C0034065
pulmonary