[2] The clinical diagnosis of deep vein thrombosis is very difficult to ... on warfarin prophylaxis (average 9 days) to duplex ultrasound compression or a sham procedure. The examination was ...

Sometimes a pulmonary embolism is the first sign that you have DVT. If your doctor thinks you may have DVT, you will probably have an ultrasound test. You may have other tests as well. To prevent the ...