The basic physiological function of the kidney is to generate urine, various
water-soluble substance is discharged from the urine needs to be eliminated.
Physiological significance of kidney urinary activity:
Excretion of the above one is the end product of the metabolism of drugs and
into the body and the foreign matter; one hand and the regulation of body fluid
volume and composition of the discharge, the retention of body fluids in a
variety of useful and important nutrients electrolyte.
Experts advise that if you find that your urine color changes, increased
urine foam, and lingers long home, nocturia, eyelids and lower limb edema, lower
back pain, etc., should go to hospital for an examination to determine whether
patients with chronic kidney disease . Hypertension, diabetes, gout patients are
at high risk of chronic kidney disease, you should regularly check whether the
health of the kidneys; If the inspection found that the protein appears in the
urine, red blood cells, urine specific gravity low and fixed, changes in kidney
size or about the size of a difference of one centimeter above the kidneys,
blood urea nitrogen and creatinine increased, it indicates that the structure is
damaged or kidney function decline, suffering from chronic kidney disease.
It is worth noting that, blood urea nitrogen and creatinine within the normal
range, does not necessarily indicate normal renal function, the kidneys have
strong reserves and compensatory function only when renal function decreased to
30% below normal, blood urea nitrogen and creatinine will be outside the normal
range.
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