Tag: lab-interpretation

A BUN of 5 mg/dL is almost always a reflection of protein intake, hydration, or liver urea synthesis rather than a problem in itself. Here is how to read it, what to pair it with, and when it deserves a clinician's attention.

A decade-by-decade view of which blood measurements carry information, how often to repeat them, and why interpretation gets harder after 70. Written for people who want to keep their own longitudinal record.