Do you recommend checking urine sodium 2 hours after loop diuretic administration to determine the need for dose adjustment in a patient with acute decompensated heart failure?  

I know that is maybe a more physiologic way, but I can tell if it is working just by the urine output. The urine output is not going to increase following a loop diuretic without a natriuresis. And what good id an increased urine Na if the volume of urine is insufficient?  If I am diuresing in...