1 Mitral stenosis (the narrowing of the mitral valve) causes enlargement of the left atrium and that promotes extrasystole;  Myocarditis (myocardium inflammation). If this condition is treated incorrectly or it is not treated at all, then various rhythm disturbances as well as extrasystole may occur as complications.
The six-year, $61 million contract that Oakland Raiders quarterback JaMarcus Russell received as the No. 1 pick overall last year contained $29 million in guarantees â a 76.7% increase from the $16.4 million in guaranteed money Cincinnati Bengals quarterback Carson Palmer received as the top pick in 2003.
NFL's richest contracts for 2015. NFL.com. Share. New York Giants quarterback, Eli Manning agreed to a four-year contract extension worth $84 million. See how his deal measures up to the NFL's elite.