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Updated: Apr 13, 2026

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
Insights
Deep vein thrombosis and pulmonary embolism are complex, recurring diseases with unknown causes in half of cases. Clinical exams are standard, but further tests offer limited value for these venous thromboembolic events.
Area of Science:
- Vascular Medicine
- Hematology
- Epidemiology
Context:
- Venous thromboembolic disease (VTE), encompassing deep vein thrombosis (DVT) and pulmonary embolism (PE), represents a significant clinical challenge.
- These conditions are characterized by their chronic and recurrent nature, stemming from multifactorial etiologies.
- Despite extensive research, the underlying causes remain unidentified in approximately 50% of affected individuals.
Purpose:
- To review the diagnostic approach and etiological considerations for venous thromboembolic disease.
- To emphasize the role of clinical examination in the initial assessment of suspected DVT or PE.
- To evaluate the utility of systematic complementary and paraclinical investigations in managing VTE.
Summary:
- Clinical examination is a fundamental component in the evaluation of all patients with suspected VTE.
- Systematic complementary examinations often provide limited diagnostic information.
- Paraclinical investigations should be judiciously applied, considering their cost-effectiveness and diagnostic yield.
Impact:
- This review highlights the need for a focused diagnostic strategy in VTE, prioritizing clinical assessment.
- Understanding the limitations of current investigations can guide more efficient patient management.
- Further research into the multifactorial etiology of VTE is warranted to improve patient outcomes and reduce recurrence.
Abstract:
Venous thromboembolic disease, deep vein thrombosis and pulmoanry embolism is a chronic, recurrent multifactorial disease. Cohort studies show that the etiology remains unknown in about 50% of cases. Clinical exam is conducted for all cases. Systematic complementary exams are of poor information, and paraclinical investigation should be limited.
Related Concept Videos
Venous Thrombosis I: Introduction
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
Venous Thrombosis III: Interprofessional Care
Venous Thrombosis IV: Nursing Management
Varicose Veins I: Introduction
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

