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.
Major Causes. Pulmonary embolism (PE) usually begins as a blood clot in a deep vein of the leg. This condition is called deep vein thrombosis. The clot can break free, travel through the bloodstream to the lungs, and block an artery. Blood clots can form in the deep veins of the legs if blood flow is restricted and slows down.