,LABORATORY DATA: , Sodium 139, potassium 4.1, BUN 26, creatinine 0.9, BNP 331, troponin less than 0.05. 
,LABORATORY DATA : , Sodium 139 , potassium 4.1 , BUN 26 , creatinine 0.9 , BNP 331 , troponin less than 0.05 .