British Society for Haematology recommended therapeutic intervals.
Prophylaxis of deep venous thrombosis (DVT), including high risk surgery: 2.0-2.5. Prophylaxis of DVT for hip surgery, surgery for femoral fracture; treatment of DVT, pulmonary embolism, transient ischaemic attacks: 2.0-3.0. Recurrent DVT and pulmonary embolism; arterial disease including myocardial infarction, arterial grafts, cardiac prosthetic valves and grafts: 3.0-4.5.
The European literature recommends an INR of 2.5-4.8, with a level of 3.6-4.8 for mechanical valves.
Source:
INR when taking Fragminshot-
I have been undergoing tests for ms and they have been negative, but i have been having transient ischemic attacks and all the symptoms of 
Has anyone in the group with APS had DVT whilst on warfarin? What treatment and advice was given?
Pulmonary embolism Treatment
