Deep venous thrombosis
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Updated: Oct 6, 2026

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
1Hospital of Saint Raphael, New Haven, Connecticut, USA.
Abstract:
Venous thrombosis involving the deep veins is a major US health problem that affects over 2.5 million people annually. The most serious complication of a deep venous thrombosis (DVT) is pulmonary embolism (PE), which is associated with 50,000 to 200,000 deaths each year. DVT and PE are often silent and difficult to detect by clinical examination; however, DVT rarely occurs in the absence of risk factors. This article reviews normal venous anatomy and discusses the etiology of DVT, its clinical manifestations, and diagnosis. Then it reviews treatment of DVT, highlighting the nurse's role. A discussion of DVT prophylaxis based on patient risk follows.
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