[Drug therapy of pulmonary embolism]

Heparin is indicated in pulmonary embolism suspicion, in minor and a part of submassive embolism. The dose is 15,000-20,000 U (acute) and 40,000 U/day subsequently. Fibrinolytic therapy with streptokinase or urokinase is indicated in massive embolism. Submassive embolism is treated by fibrinolysis if no contraindications against fibrinolysis are to be registered.