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How to check for uremia

Oct 12, 2017

Most of the uremic patients are unable to timely detection of uremia disease, and thus missed the best treatment time, to the treatment has brought difficulty, so the timely detection of the disease, which need to know how to diagnose uremia, and below On this issue for everyone to introduce.

How to check for uremia for urine examination

Urine routine examination: urine routine examination results due to different causes of the disease may be different, may have proteinuria, various types of hematuria, may also no significant change. Urine output, urine specific gravity determination: oliguria uremic patients 24 hours urine output less than 400 ml. The urine osmolality is typically from 280 to 300 milliequivalents per kilogram. Urine sodium content is often greater than 40 milliliters equivalent / liter.

Uremic urine specific gravity decreased or fixed, fixed value between 1.010-1.012 night urine output is generally more than the amount of urine. However, the proportion of urine affected by many factors, resulting in poor accuracy, the measured value is for reference only, can not be used as a decisive data to determine whether the uremia.

How to check the uremia need to do blood tests

Blood urea nitrogen, serum creatinine examination: uremia, these two indicators were BUN> 21.42 mmol / liter, Scr> 442 micro mol / liter. At the end of uremia, serum creatinine was higher than 707 micromoles / liter and urea nitrogen was greater than 28.6 mmol / l. Hemoglobin examination: adult hemoglobin normal value should be greater than 110 g / l, uremic period hemoglobin is generally 80 g / l below the end stage can be reduced to 20-30 g / l, may be associated with thrombocytopenia or white blood cells high. Arterial blood gas, acid and alkali examination: uremic period, especially in the late PH value will decline, SB, AB and BE are reduced, the physical dissolved carbon dioxide produced by the tension (PaCO2) was compensatory reduction. Electrolyte determination check: the human body electrolytes such as serum potassium, serum sodium, serum calcium and other determination may be abnormal. Plasma protein test: plasma protein determination can be normal or reduced, the general adult is about 60-80 g / l.

Renal function tests are one of the items that have been tested for uremia

Glomerular filtration rate (GFR), endogenous creatinine clearance (Ccr): the current general use of ECT to check the glomerular filtration rate, uremic period will appear glomerular filtration rate, endogenous creatinine clearance rate decreased Of the case of glomerular filtration rate of less than 25 ml / min or endogenous creatinine clearance rate of less than 10 ml / min, all means that the kidneys have entered the uremic stage. Pure water clearance (CHZO) determination: uremic patients with pure water clearance rate will be abnormal.

How to check for uremia

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