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.
The NFL is the most lucrative pro sports league in the world, but its players are dead last among the four major American professional sports in average salary. On average, NBA players make $5.15 million, MLB players make $3.2 million, NHL players make $2.4 million, and NFL players make $1.9 million per year, according to Forbes. But that doesn't even tell the full story. Andrew Powell-Morse and Brett Cohen at BestTicketsBlog put together two charts that reveal how few NFL players are making real money. In short, the average NFL salary doesn't spike until most players are out of the league. 70% of NFL players are between the ages of 22 and 27. Players in that group earn less than the NFL average overall.