The formation of a clot in a deep vein, usually located in the lower extremities or pelvis, is known as Deep Vein Thrombosis (DVT).
The formation of a clot in a deep vein is believed to be precipitated by Virchow's Triad:
The most common symptoms of Deep Vein Thrombosis are pain, swelling, erythema, warmth and pitting oedema.
Homan's Sign is a reliable indicator of a clot. It is defined as an increase in pain on dorsiflexion in the calf; a sign indicative of DVT.
Complications can include pulmonary embolism, thrombus extension, post thrombotic syndrome and recurrence of DVT.
If Deep Vein Thrombosis is promptly and adequately treated, the prognosis is usually good, however, there is still a risk of recurrence.
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