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What is urine examination in patients with chronic renal fai

Urine test is one of the methods that examine kidney failure, very often patient should pay more attention to this problem just go, the following is to introduce some common sense knowledge about this. So that you can make a clearer diagnosis of the disease, I hope you can pay attention to that.

What is urine examination in patients with chronic renal failure?

The urine examination of patients includes many aspects, and all of them have a great impact on the diagnosis results. The urine of chronic renal failure patients is mainly pided into urine volume, urine sediment, urine color, urine specific gravity, urine sodium volume, urine osmotic pressure, urine creatinine and urea nitrogen determination. Patients generally have decreased urine output (oliguria 250ml / (m2d), or school-age children 400m1 / 24h, no urine 50ml / (m2d)); dark urine, cloudy and sometimes dark red or soy sauce; Urine can be seen red blood cells, white blood cells, epithelial cells and so on under the microscope; Urine specific gravity was lower than 1.015; Urine osmotic pressure decreased; The amount of sodium in urine was increased (usually 50 mmol / L of urinary sodium and 30 mmol / L of normal urine natrium). Urinary creatinine, abnormal urea nitrogen excretion and other symptoms.

After a urine test, patients with chronic renal failure usually present with multiple urinary abnormalities during clinical onset, including the following: 1. Urine color in patients with chronic renal failure: deep, cloudy and sometimes dark red or soy sauce color, urine Protein (+) ~ (++). 2. Decreased urine output: oliguria 250ml / (m2d), or school-age children 400m1 / 24h, anuria 50ml / (m2d). 3. Low urinary specific gravity: due to decreased tubular function, urinary specific gravity lower than 1.015.4. Urinary sediment: red blood cells, leukocytes, epithelial cells and various tube types can be seen under the microscope. 5.Urinary creatinine and urea nitrogen determination: excretion decreased, urinary creatinine excretion more than 1 g / d (normal value 1 g / d, urine urea nitrogen excretion 10 g / d (normal value 15 g / d).

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