The primary therapy for acute pulmonary embolism is anticoagulationwith heparin and warfarin to prevent additional thromboembolism.Traditional teaching relegates the use of thrombolysis to therare situation in which massive pulmonary embolism causes cardiogenicshock. Thrombolytic agents such as alteplase (recombinant tissueplasminogen activator) act on plasminogen by cleaving the peptidebond between arginine at position 560 and valine at position561, thereby converting plasminogen to plasmin, which dissolvesthe embolus. Should we expand the indications for thrombolysisto encompass pulmonary embolism in patients with right ventriculardysfunction, even in the presence of normal systemic arterialpressure (see Figure. . . [Full Text of this Article]
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