When does chronic renal failure polyuria appear

summary

Polyuria of chronic renal failure usually occurs after oliguria stage, before recovery stage, oliguria stage or anuria stage, which generally lasts from 1 week to 2 weeks, and the daily urine volume is generally less than 400 ml for oliguria, if it is less than 100 ml for anuria, and generally the color of urine is very dark and turbid, And urine protein, red blood cells, leukemia, epithelial cells and some debris and granular tube type, there is also progressive azotemia. Let's take a look at the following.

When does chronic renal failure polyuria appear

First: and there may be water, electrolyte and acid-base balance disorders, generally is the performance of water, if serious, there may also be acute heart failure, pulmonary edema or brain edema, there may also be hyperkalemia and so on.

Second: chronic renal failure polyuria appears in the mid-term, generally is the rate of increase in urine volume is relatively fast, generally after 5 to 7 days to reach the peak of polyuria, and generally there may be daily urine volume can reach 2000 ml, or more, generally is a sign of renal function recovery.

Third: chronic renal failure polyuria, there may be a variety of heart rhythm disorders, serious words, there may be ventricular fibrillation, cardiac arrest, there may be metabolic acidosis, there may also be high phosphorus, low calcium, low sodium, hypochloremia.

matters needing attention

Polyuria of chronic renal failure occurs after oliguria and before recovery. If polyuria of chronic renal failure occurs, it is generally a sign that renal function begins to recover.