Musculoskeletal (MSK) Knee Practice Test 2026 - Free Knee Joint Exam Questions and Study Guide

Suspecting a deep venous thrombosis in a leg with swelling, warmth, and pain after a long period of immobilization is the key idea. Prolonged travel slows venous return, increasing clot risk in the deep veins of the leg. A DVT is serious because a piece of clot can travel to the lungs and cause a pulmonary embolism, so it requires urgent medical assessment.

The best next step is to refer for urgent medical evaluation, typically with duplex ultrasonography of the leg to confirm a thrombus. If a DVT is found, anticoagulation is started under medical supervision. This approach is chosen over knee-focused diagnoses because the presentation isn’t just a joint problem—it signals a vascular issue with potentially life-threatening consequences.