Deep Vein Thrombosis (DVT) and Episode 194

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Tip This Week-  Deep Vein Thrombosis (DVT)

Deep venous thrombosis (DVT) refers to a blood clot embedded in one of the major deep veins of the lower legs, thighs, or pelvis. A clot blocks blood circulation through these veins, which carry blood from the lower body back to the heart. The blockage can cause pain, swelling, or warmth in the affected leg. If this clot is left unresolved, it may dislodge and travel to the lungs via the bloodstream, a more serious problem called pulmonary embolism.

Physical symptoms of DVT are similar with the symptoms after the occurrence of trauma. To be able to identify DVT, paramedics should use their critical thinking skills, thorough history taking as well as knowledge on the causes and risk factors.

If there is a moderate or high clinical suspicion of DVT an injection of low-molecular-weight (LMW) heparin in doses designed to treat acute DVT can be given. Diagnostic imaging can then be arranged on a more elective basis the following day. Since LMW heparin therapy is safe and effective for patients with proven DVT, it provides adequate protection for patients with suspected DVT.

Follow these links for a more comprehensive review on DVT

Deep Vein Thrombosis by Medline Plus

Diagnosis and treatment of Deep Vein Thrombosis

Deep Venous Thrombosis by Emedicine

Article: Critical Thinking in EMS