Patients are often referred to the phlebologist or vascular surgeon suffering with leg swelling of uncertain origin. This is usually accompanied by a request to confirm or exclude venous insufficiency. Standard duplex ultrasound is useful for a primary haemodynamic evaluation. However, high-resolution ultrasound may distinguish between different types of oedema.
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Lattimer CR, Kalodiki E, Azzam M, Geroulakos G (2013) Reflux time estimation on air-plethysmography may stratify patients with early superficial venous insufficiency. Phlebology 28:101–108PubMedCrossRefGoogle Scholar