GI blood absorption Proximal tubule Na and urea reabsorption! BUN: Uses Imperfect marker of GFR Marker for adequacy of protein intake Marker for presence of uremic toxins in chronic renal failure BUN:Cr ratio reflects ECV volume status: 10:1 = normal >20:1 if ECV contracted. Why??? Crea...
Also, muscle mass, physical activity, or cachexy have an influence on the blood test result. On the other hand, cystatin C levels are independent of muscle mass — the factors that may interfere are thyroid dysfunction and corticosteroid therapy. How to calculate GFR? There are four main ...
some clinical characteristics, namely systolic blood pressure, diastolic blood pressure, and body mass index, are not available in the database. Finally, this study was performed based on the dataset of a hospital’s network in Taiwan; thus, the applicability of these results to wider populations...