Urine, one of the body's important excretion, the body's metabolic waste, poison and excess water, most of them are excreted through the urine, and the kidney is a specialized organ that produces urine, excretes urine, excretes toxins, the entire urine excretion process should be done by the kidneys. When there is kidney pathology, the urine first change, the urine less or more than normal, the urine composition will have abnormal urine changes, when there are protein, red blood cells, white blood cells, tubular in urine, it shows that kidneys have some problem. Therefore, in the suspected kidney disease, first check whether the urine is normal.
Normal renal function, urine excretion is smooth, the amount of urine and urine components are maintained normal state, the body's metabolism of toxins excreted by conventional means. Of course, the urine can not reflect all of the urological diseases, not only reflect the kidney disease, other systems disease (such as fever, heart disease, diabetes, liver disease, etc.) urine also will change, and sometimes physiological changes will make urine changed. Therefore, history, symptoms, signs and other special examinations must also be combined with suspicion of kidney disease, make a comprehensive analysis to have correct diagnosis.
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