Deep Vein Thrombosis
Also written as DVT.
The Wells score is for pulmonary embolism and deep vein thrombosis.
What our notes say
- The Wells score is for pulmonary embolism and deep vein thrombosis. (Respiratory Medicine Question Bank: 15 Clinical MCQs)
- A patient with deep vein thrombosis (DVT) is found to have a genetic thrombophilia. (Chemical Pathology MCQs: Clinical Chemistry, Endocrine & Renal)
- Deep Vein Thrombosis and Venous Thromboembolism (with Pulmonary Embolism) — Year 4 Internal Medicine Notes (DVT and Venous Thromboembolism (with Pulmonary Embolism))
- Deep vein thrombosis (DVT): a blood clot in a deep vein, usually of the leg (calf, popliteal, femoral, iliac veins). (DVT and Venous Thromboembolism (with Pulmonary Embolism))
- Immobility and bed rest, surgery (especially orthopaedic), trauma, malignancy, pregnancy and the postpartum period, oestrogen (pill or HRT), previous deep vein thrombosis or PE, obesity, thrombophilia, long-haul travel, central lines and heart failure. (Junior Clerkship in Internal Medicine (MBIM4100) main exam, Paper One: 31 Januar)
- A 55-year-old woman receives an unfractionated heparin infusion for a deep-vein thrombosis. (HEMATOLOGY EOY 2025 — Past Paper Questions & Answers)
Study material on Deep Vein Thrombosis
- DVT and Venous Thromboembolism (with Pulmonary Embolism)
- VASCULAR PATHOLOGY — Must-Know Notes
- VASCULAR PATHOLOGY — Must-Know Comprehensive Notes
- Internal Medicine (MBIM 4100) main exam, Paper One: 3 July 2019
Practice questions on Deep Vein Thrombosis
A 55-year-old woman receives an unfractionated heparin infusion for a deep-vein thrombosis. Which test is most appropriate to monitor her anticoagulant effect?
- Activated partial thromboplastin time (APTT)
- Prothrombin time (PT)
- Thrombin time (TT)
- D-dimer
Answer: A. Unfractionated heparin prolongs the intrinsic pathway, so APTT is the standard monitoring test for dose titration. ---
Which statement correctly distinguishes superficial varicose veins from deep vein thrombosis regarding pulmonary embolism risk?
- Both carry equal PE risk as thrombus can propagate freely between the systems
- DVT is the major source of PE; embolism from superficial varicose veins is very rare
- Varicose veins carry higher embolism risk due to greater peripheral venous pressure
- Neither causes PE without a concurrent cardiac septal defect
Answer: B. Embolism from superficial varicose veins is very rare. DVT — particularly in popliteal, femoral, and iliac veins — is the major source of potentially fatal pulmonary embolism. ---