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.
The fourth Golden Buzzer act is 20-year-old Frank Sinatra sound-alike Sal Valentinetti. It will be some time before Americaâs Got Talent viewers get to see Grace VanderWaal and the other Golden Buzzer acts again, but fans have plenty to look forward to during the upcoming Judgeâs Cut rounds.