IV/SC VTE Loading dose: 5,000 u (10,000 u may be required in severe pulmonary embolism) followed by continuous IV infusion of 1,000-2,000 u/hr or SC inj of 15,000 u every 12 hr. Alternatively, intermittent IV inj of 5,000-10,000 u every 4-6 hr.
Prophylaxis of post-op VTE 5,000 u SC inj 2 hr before surgery then every 8-12 hr for 7 days or until the patient is ambulant.
Prevention of re-occlusion of the coronary arteries following thrombolytic therapy in MI 5,000 u IV followed by 1,000 u/hr IV w/ alteplase.
Prevention of mural thrombosis 12,500 u SC every 12 hr for at least 10 days.
Childn & small adult Lower IV loading dose followed by maintenance w/ continuous IV infusion of 15-25 u/kg/hr or SC inj of 250 u/kg every 12 hr.
Pregnant woman (3rd trimester) w/ history of DVT or pulmonary embolism Dose may be increased to 10,000 u every 12 hr.