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Serum creatinine is a more specific and sensitive indicator of renal disease than BUN why?
Creatinine is a waste product in your blood that comes from muscle activity. It is normally removed from your blood by your kidneys, but when kidney function slows down, the creatinine level rises .
Urea nitrogen is a normal waste product in your blood that comes from the breakdown of protein from the foods you eat and from your body metabolism. It is normally removed from your blood by your kidneys, but when kidney function slows down, the BUN level rises. BUN can also rise if you eat more protein, and it can fall if you eat less protein.
Creatine reflect renal function bec it spisifcly excreteted from kidney
creatine not affect by meat and food or liver function like BUN
medical is not my field so i am sorry.
Serum creatinine is not affected by diet but bun does