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Explain

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Finding Sources
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"Venous Thrombosis"[MeSH Terms] AND ultrasonography

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NHS deep vein thrombosis symptoms emergency pulmonary embolism

Your left leg venous Doppler ultrasound is essentially normal.

What it shows

  • No DVT (deep-vein thrombosis): No blood clot was seen in the deep veins of the left leg.
  • The main deep veins, including the femoral and popliteal veins, are open, compressible, and have normal blood flow. This is reassuring because a clot typically makes a vein non-compressible or obstructs flow.
  • The long saphenous vein is normal.
  • The vein junction valves are described as competent, meaning there is no evidence of abnormal backward blood flow (venous reflux) at those points.

Only abnormal finding

  • Minimal fluid in the left knee joint, termed a minimal knee effusion.
A small knee effusion can occur with minor inflammation, overuse, arthritis, an old or recent injury, or other knee conditions. It does not identify the cause by itself. If you have knee pain, swelling, stiffness, fever, trauma, or difficulty walking, a clinician may examine the knee and decide whether further assessment is needed.

Bottom line

This scan does not show a leg-vein clot. It shows a very small amount of fluid around/inside the left knee joint.
Seek urgent care if you develop sudden shortness of breath, chest pain, coughing blood, fainting, or rapidly worsening leg swelling, even though this Doppler result is reassuring.
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