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.
The viridans group of streptococci is the most common cause of endocarditis involving native heart valves in patients with congenital heart disease and in patients who are not injection drug users.5 Coagulase-positive staphylococci (Staphylococcus aureus) commonly cause bacterial endocarditis in patients with prosthetic valves and in injection drug users.6 Presence of these organisms is also a common cause of acute bacterial endocarditis in persons whose heart valves were previously normal.7