or a not-so-worrisome creatinine, in a person who’s 80 years old may reflect a lower GFR.” Blood urea nitrogen, or BUN, measures the amount of urea nitrogen, a waste product of protein ...

Because of a reduction in muscle mass in these patients, serum creatinine may be within the normal range, even with a very low GFR. The use of blood urea nitrogen (BUN) concentration as a measure ...

The significant difference in the BUN/creatinine ratio between Ramadan and non-Ramadan sialadenitis patients and the fact that Ramadan sialadenitis patients presented dehydration hint that there ...