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prn85260DS.JPG
Pulmonary Embolism (Blood Clot) with Placement of Greenfield Filter. The subsequent series of graphics show how a Greenfield filter prevents an embolus from entering the heart and lung. A drawing of the torso and legs provides an overall orientation of the venous pathway of the emboli. A large inset features the Greenfield filter trapping the emboli in the inferior vena cava.