Clinical questions to be addressed:What are the tests available for diagnosis of PE?What are the advantages of LMWH vs. UH?When should thrombolytic therapy be considered?What interventions are available for preventing DVT/PE?Which PE patients should be evaluated for hypercoaguable states?Can patients with PE/DVT be managed as outpatients? What is the optimum length of therapy for PE? Who should receive an IVC filter?