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Duplex examination
Background:
Accurate venous diagnosis remains a challenge for the phlebologist and vascular laboratory. In recent years duplex ultrasound has become the preferred method of diagnosis for deep venous thrombosis and deep and superficial venous insufficiency.
Objective:
To describe the physical principles, typical protocol, and indications for venous duplex examination.
Conclusion:
Duplex examination offers a precise, noninvasive technique to make anatomic and functional venous diagnoses.
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