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Chapter 32: Care of Critically Ill Patients w/ Respiratory ProblemsPulmonary Embolism– a collection of particulate matter that enters venous circulation andlodges in the pulmonary vesselsoBlood clot is most common causeRisk factors for VTE leading to PE:oProlonged immobility, central venous catheters, surgery, obesity, advancing age,conditions that increase blood clotting, hx of thromboembolism, smoking, pregnancy,estrogen therapy (oral contraceptives), heart failure, stroke, cancer (esp lung/prostate)and traumaFat emboli and oil emboli cause Acute Respiratory Distress Syndrome not PEPrevent PE = prevent venous stasisPreventionoPassive/active ROM for immobilized/postop extremities, Early postop ambulation, Useantiembolism/ pneumatic compression stockings/devices postop, Eval for anticoagulanttherapy, Avoid tight, constricting clothing, Prevent pressure under knees, Assess periphcirculation, Elevate at least 20 degrees above the heart, Reposition q2h, Ambulate as
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central venous catheters,massive PE,RV dysfunction,Low-Risk PE