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.
Pulmonary embolism - Causes. Causes of pulmonary embolism. A pulmonary embolism occurs when the artery that carries blood to the lungs becomes blocked. The blockage is usually a blood clot, but it can also be a fat droplet, an air bubble or amniotic fluid (fluid that surrounds unborn babies).