: The use of compression stockings (30–40 mmHg) is often recommended early on and continued for up to two years to prevent post-thrombotic syndrome. When to Seek Immediate Help

: Focuses on preventing the extension of the clot and avoiding pulmonary embolism.

: Thrombosis Canada offers detailed French-language PDFs on diagnosing DVT using compression ultrasonography (EVC).

: Most guides follow a standardized approach using probability scores (like the Wells score ), followed by D-dimer blood tests. If these indicate a high risk, the "gold standard" for confirmation is an ultrasound (Echo-Doppler) . Treatment Phases :