Most production managers hold bachelor's degrees or higher in business administration or industrial management. They usually begin their careers as floor workers or assistant managers in a factory, and advance to supervisory positions after gaining experience and exhibiting strong leadership skills.
More information about causes of Thromboembolism: 1  Medications, drugs, or substances causing Thromboembolism (3 listings) 2  Underlying causes of Thromboembolism. 3  Thromboembolism as a complication caused by other conditions.  Thromboembolism as a symptom.
email print. A diagram of the heart indicating blood clots that cause pulmonary embolism. It is caused by a sudden blockage of a major blood vessel-- the artery--usually caused by a large blood clot, which in most cases emanates from the deep veins in the leg, commonly known as deep vein thrombosis (DVT).