Polyuria in an otherwise healthy patient
A man complains of polyuria and nocturia. What defines polyuria and how do you tell that condition from a urologic cause of urinary frequency? What happens if both exist? Where does the work-up start? There are some basic evaluation algorithms here, but it can get tricky when you mix up your units. Take a look at this discussion.
Summary provided by Roger Rodby, MD, FASN.
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