From book, I know that the sodium level should be from 132-145nmol/l. I guess, for SWCAHers, this level should be maintain as long as medication given.

As blood test done before medication is given, does a lower level i.e. 129nmol/L is acceptable? Have you ever heard about that?

In my country, there is no renin test. So for florinef adjustment, we must rely on electrolyte.

Thank-you for your help.