Case: This is a case of a 39 year old male who came in due to difficulty of breathing. On history and physical examination he was noted to have history of trauma and immobilization. On further work up he was found out to have antithrombin III deficiency. He was treated as a case of hereditary pulmonary embolism.
Discussion: Deep Venous Thrombosis is the precursor of Pulmonary Embolism. Its formation follows the Virchows triad. Its embolus gives rise to Pulmonary Embolism (PE). PE can be diagnosed using CXR, ECG, Pulmonary Angiuography. It is treated with anticoagulation.
Conclusion: A case of Hereditary deficiency of antithrombin III in a 39 year old male is presented. There is no published data in the Philippines that state the incidence of Antithrombin III deficiency in Pulmonary Embolism.