Hyponatremia is commonly defined as a serum sodium concentration below 135 meq/L but can vary to a small degree in different clinical laboratories [1,2]. The dilutional fall in serum sodium is in most patients associated with a proportional reduction in the serum osmolality (ie, to a level below 275 mosmol/kg), but there are some exceptions.
The iron worker, Gary Russo, sounded like Frank Sinatra and wowed pedestrians a few years ago with his singing by a 2nd Avenue subway construction site in Manhattan during his lunch breaks.
Francis Albert Sinatra (born December 12, 1915 in Hoboken, New Jersey; died May 14, 1998 in Los Angeles, California) was an Italian American Grammy Award winning jazz singer, Academy Award winning actor, founder of Reprise Records and member of The Rat Pack.