Reasons for exclusion
| Reason for exclusion | No of patients |
|---|---|
| Terminal cancer | 14 |
| Possible pulmonary embolism | 9 |
| Definite pulmonary embolism | 2 |
| Confusional state | 12 |
| Already started on heparin | 7 |
| Already on long term anticoagulation | 4 |
| Recent cerebrovascular accident | 1 |
| Previous DVT | 43 |