Laurene Powell Jobs. Laurene Powell Jobs (born November 6, 1963) is an American businesswoman, executive and the founder of Emerson Collective, which advocates for policies concerning education and immigration reform, social justice and environmental conservation.
Mycobacterium tuberculosis. S aureus is the most common cause of bacterial pericarditis in children, causing approximately 40-80% of cases. Within the first 3 months after cardiac surgery, S aureus is the most common cause of purulent pericarditis.
Although several different organisms can cause endocarditis, it is usually caused by bacteria. In most cases, it develops when normal bacteria on the skin or in the respiratory, gastrointestinal, or urinary tract enter the bloodstream and lodge within a damaged heart valve or abnormal heart tissue.